Granted Patent
Utility
US 4,282,913 · App. 05/884,638
Self-locking nut and manufacture and component therefor
Inventor:
Paul A. Trimmer
Patented Case
View Patent ↗
Granted: Aug 11, 1981
Filed: Mar 8, 1978
Inventor
Paul A. Trimmer
Assignee (at issue)
ARTERICA 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.