Granted Patent
Utility
US 4,952,784 · App. 07/388,276
Unit drive assembly
Inventor:
Timothy D. Pike
Patented Case
View Patent ↗
Granted: Aug 28, 1990
Filed: Aug 1, 1989
Inventor
Timothy D. Pike
Assignee (at issue)
F.M.E. 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.