Granted Patent
Utility
US 4,302,991 · App. 06/125,607
Fastener plunging apparatus
Inventors:
S. Bernard Brouse, John Wiedel
Patented Case
View Patent ↗
Granted: Dec 1, 1981
Filed: Feb 28, 1980
Inventors
S. Bernard Brouse
John Wiedel
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.