Granted Patent
Utility
US 4,356,091 · App. 06/261,093
Filtering and dampening apparatus
Inventor:
Albert B. Niles
Patented Case
View Patent ↗
Granted: Oct 26, 1982
Filed: Oct 6, 1980
Inventor
Albert B. Niles
Assignee (at issue)
Caterpillar Tractor Co.
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.