Charlotte Cramer’s patent for “Lap tray”

1-Oct-57

Charlotte Cramer’s patent for “Lap tray”

Object Source & Copyright

  • Repository United States Patent Office
  • Date 1-Oct-57
  • Number .S. Patent 2,808,191
  • Copyright Public Domain
  • Disclaimer Courtesy of the United States Patent Office

Citation Information

The following information is provided for citations.

  • Title Charlotte Cramer’s patent for “Lap tray”
  • Keywords Charlotte, Cramer, Sachs, Alison, Oswald, food, cake, prepared, mix, muffin, bakery, cramer, products, company, patent, lap, tray,
  • Website Name Immigrant Entrepreneurship
  • URL
  • Access Date September 22, 2023
  • Publisher German Historical Institute
  • Original Published Date
  • Date of Last Update August 9, 2018