Granted Patent
Utility
US 5,806,643 · App. 08/641,488
One way drive device and mechanical assembly integrating the device
Inventor:
Frank A. Fitz
Patented Case
View Patent ↗
Granted: Sep 15, 1998
Filed: May 1, 1996
Inventor
Frank A. Fitz
Assignee (at issue)
Epilogics, L.P.
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.