Granted Patent
Utility
US 4,680,167 · App. 06/823,637
Controlled atmosphere oven
Inventor:
Thomas W. Orlando
Patented Case
View Patent ↗
Granted: Jul 14, 1987
Filed: Jan 29, 1986
Inventor
Thomas W. Orlando
Assignee (at issue)
Alcor, 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.