Granted Patent
Utility
US 4,664,923 · App. 06/778,350
Method of infrared tunnel oven cooking of food products
Inventors:
Dennis L. Wagner, Harold D. Wells
Patented Case
View Patent ↗
Granted: May 12, 1987
Filed: Oct 24, 1985
Inventors
Dennis L. Wagner
Harold D. Wells
Assignee (at issue)
Pet-Ag, Inc.
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.