Granted Patent
Utility
US 5,613,321 · App. 08/298,438
Releasable drive mechanism
Inventor:
Roy R. Rizkovsky
Patented Case
View Patent ↗
Granted: Mar 25, 1997
Filed: Aug 30, 1994
Inventor
Roy R. Rizkovsky
Assignee (at issue)
Ricon Corp.
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.