Granted Patent
Utility
US 5,423,232 · App. 08/141,381
Self-lubricating gear system
Inventors:
Frank S. Miller, John F. Croto
Patented Case
View Patent ↗
Granted: Jun 13, 1995
Filed: Oct 22, 1993
Inventors
Frank S. Miller
John F. Croto
Assignee (at issue)
IMO Industries Inc., Boston Gear Division
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.