Granted Patent
Utility
US 4,863,328 · App. 07/147,503
Locking mechanism for threaded components
Inventor:
Jack H. Malek
Patented Case
View Patent ↗
Granted: Sep 5, 1989
Filed: Jan 25, 1988
Inventor
Jack H. Malek
Assignee (at issue)
KDI American Products Company
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.