Granted Patent
Utility
US 5,619,810 · App. 08/558,555
Pin retention device and related method for retaining a trunnion link pin in a digging implement
Inventor:
Rikos A. Kasim
Patented Case
View Patent ↗
Granted: Apr 15, 1997
Filed: Dec 4, 1995
Inventor
Rikos A. Kasim
Assignee (at issue)
Harnischfeger Corporation
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.