Granted Patent
Utility
US 5,056,939 · App. 07/551,991
Journal bearing retainer system
Inventor:
Frederic W. Buse
Patented Case
View Patent ↗
Granted: Oct 15, 1991
Filed: Jul 12, 1990
Inventor
Frederic W. Buse
Assignee (at issue)
Ingersoll-Rand Company
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.