Granted Patent
Utility
US 5,557,830 · App. 08/371,412
Fastener
Inventor:
William B. Davis
Patented Case
View Patent ↗
Granted: Sep 24, 1996
Filed: Jan 11, 1995
Inventor
William B. Davis
Assignee (at issue)
Olympic General Corporation
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.