Granted Patent
Utility
US 5,340,253 · App. 07/990,040
Fastener with thread lock
Inventor:
Edgar L. Stencel
Patented Case
View Patent ↗
Granted: Aug 23, 1994
Filed: Dec 14, 1992
Inventor
Edgar L. Stencel
Assignee (at issue)
MONOGRAM AEROSPACE FASTENERS, 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.