Granted Patent
Utility
US 4,656,788 · App. 06/647,810
Variable orbital drive mechanism
Inventors:
Lawrence J. Rhoades, Nicholas P. Nokovich
Patented Case
View Patent ↗
Granted: Apr 14, 1987
Filed: Sep 6, 1984
Inventors
Lawrence J. Rhoades
Nicholas P. Nokovich
Assignee (at issue)
Extrude Hone GmbH
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.