Granted Patent
Utility
US 4,321,841 · App. 06/138,930
Press safety device
Inventor:
Gerald J. Felix
Patented Case
View Patent ↗
Granted: Mar 30, 1982
Filed: Apr 10, 1980
Inventor
Gerald J. Felix
Assignee (at issue)
Steelcase 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.