Granted Patent
Utility
US 4,890,964 · App. 07/211,430
Self-locking fastener apparatus
Inventors:
Adrian Q. Lindley, Frank J. Cosenza
Patented Case
View Patent ↗
Granted: Jan 2, 1990
Filed: Jun 24, 1988
Inventors
Adrian Q. Lindley
Frank J. Cosenza
Assignee (at issue)
REXNORD GMBH
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.