Granted Patent
Utility
US 4,466,508 · App. 06/444,847
Lubrication device
Inventor:
Frederick W. Buse
Patented Case
View Patent ↗
Granted: Aug 21, 1984
Filed: Nov 26, 1982
Inventor
Frederick 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.