Granted Patent
Utility
US 4,460,822 · App. 06/344,818
Pressureless steam cooker
Inventors:
Lorne B. Alden, Theodore Richardson
Patented Case
View Patent ↗
Granted: Jul 17, 1984
Filed: Feb 1, 1982
Inventors
Lorne B. Alden
Theodore Richardson
Assignee (at issue)
Market Forge, Div. of Beatrice Foods Co.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.