The Historical Society of Avon ParkAVON PARK, FL · EST. 1886
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Brown ’n Serve Rolls: Joseph A. Gregor in 1949, not Joe Gregory in 1945

In her centennial history The First Hundred Years of Avon Park, Florida (1976), local historian Leoma Bradshaw Maxwell included an account of the invention of par-baked rolls:[maxwell-1976]

“The process for making Brown-N-Serve rolls was discovered in Avon Park by Joe Gregory in 1945. Gregory had a small bakery on South Forest Avenue, where Attorney Pardee’s office is, and was a volunteer fireman with the Avon Park Fire Department. He had put in a batch of rolls to bake when the fire whistle blew and he quickly shut off the heat on the oven and went to the fire. When he returned, expecting to find his rolls ruined, to his surprise they were raised and set perfectly for baking. Gregory sold his method for Brown-N-Serve Rolls to General Mills Corp. for 0,000 and they in turn made it an open method for other companies to use.”

This account contains three factual errors that have circulated in local retellings: the surname of the inventor, the year of discovery, and the transaction amount.

The inventor: Joseph A. Gregor, not Joe Gregory

Primary federal, municipal, and newspaper records establish that the inventor was Joseph A. Gregor (1902–1982), not “Joe Gregory”:

  • United States Patent: On 29 September 1949, application Serial No. 118,566 was filed in the United States Patent Office, and on 17 April 1951, U.S. Patent No. 2,549,595 (Process of Preparing Baked Food Products) was formally granted to Joseph A. Gregor, residing in Avon Park, Florida, as sole inventor, assigned to General Mills, Inc.[uspto-2549595]
  • Local Business Name: Gregor’s commercial shop on South Forest Avenue operated under the trade name Gregor’s Bakery, and his early wholesale deliveries were packaged under the label “Joe Gregor’s Brown ’n Serve Rolls.”[newssun-bns]
  • Contemporary Press and Museum Archives: The Avon Park Sun of 18 November 1949 and Barbara Clendinen’s feature in the Tampa Morning Tribune of 30 December 1949 both document Joe Gregor and his business partner, fellow veteran Jules Jacobsen.[newssun-bns] The Avon Park Historical Society’s permanent exhibit at the Depot Museum similarly documents Joseph A. Gregor.[aphs-rolls]
  • Federal Census: The 1950 United States census confirms Joseph A. Gregor residing in Highlands County.

Maxwell’s “Gregory” was an informal phonetic corruption of Gregor.

The year: spring 1949, not 1945

Gregor did not invent the par-baking process in 1945, nor was he operating a commercial bakery in Avon Park in that year:

  • Military Service and Base Civilian Employment: Born in Apollo, Pennsylvania, Gregor was drafted in 1942 and stationed as a mess sergeant at the Avon Park Army Air Field during World War II.[newssun-bns] Discharged in late 1945, he remained at the airfield as a civilian employee into 1946.[newssun-bns]
  • Bakery Establishment: Gregor opened Gregor’s Bakery on South Forest Avenue in 1946, painting the stone-front building white and joining the Avon Park Fire Department as an active volunteer.[newssun-bns]
  • Accidental Discovery: The accidental interruption of his baking cycle occurred in the spring of 1949 when the municipal fire siren sounded for a blaze on the town’s west side.[newssun-bns] Gregor turned off the oven burners, pulled the pale rolls from the oven, and responded to the fire call; returning later, he discovered that the pre-set, unbrowned rolls could be finished in a hot oven in seven minutes.[uspto-2549595][newssun-bns]
  • Timeline to Sale:
    • May 1949: Jules Jacobsen joined Gregor as business partner, organizing delivery routes to restaurants and groceries across Highlands, Hardee, and Polk counties.[newssun-bns]
    • 23 June 1949: Gregor and Jacobsen signed a 60-day option agreement with General Mills.[newssun-bns]
    • 2 September 1949: The formal sale contract with General Mills was executed in Atlanta, Georgia.[newssun-bns]
    • 29 September 1949: General Mills filed the patent application naming Gregor inventor.[uspto-2549595]
    • 1 November 1949: Gregor’s Bakery permanently ceased operations on South Forest Avenue.[newssun-bns]
    • Thanksgiving 1949: General Mills distributed the par-baking formula nationwide to commercial bakeries.[newssun-bns]

The discovery took place four years later than the 1945 date stated in Maxwell’s text.

The sale price: 0,000, not 0,000

The purchase contract executed in Atlanta on 2 September 1949 conveyed the proprietary par-baking process, business, and formula rights to General Mills for 0,000 (equivalent to over 60,000 in early 2020s purchasing power).[newssun-bns] Maxwell’s figure of 0,000 reflects an informal rounding in oral recollection decades after the sale.

References

Where this comes from

Evidence
corroborated — More than one independent source agrees.
Review
unverified — Drafted from sources but not yet checked by a volunteer.
Rights
society

Sources

  1. Joseph A. Gregor (inventor), General Mills, Inc. (assignee), United States Patent 2,549,595: Process of Preparing Baked Food Products (1951)
  2. Leoma Bradshaw Maxwell, The First Hundred Years of Avon Park, Florida (references/the-first-hundred-years-of-avon-park_leoma-bradshaw-maxwell_1976.md) (1976)
  3. Elaine Levey, Highlands News-Sun, "Historically Speaking", 23 December 2022, Avon Park's gift to the world — Brown 'n Serve Rolls (2022)
  4. Avon Park Historical Society, Brown and Serve exhibit (2026)

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