Granted Patent
Utility
US 4,154,065 · App. 05/822,352
Universal joint pivot assembly
Inventor:
Harold R. Diffenderfer
Patented Case
View Patent ↗
Granted: May 15, 1979
Filed: Aug 5, 1977
Inventor
Harold R. Diffenderfer
Assignee (at issue)
Neapco Holdings LLC
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.