Granted Patent
Utility
US 5,142,801 · App. 07/756,434
Level lift framework for canister type plow push frame
Inventor:
Richard Feller
Patented Case
View Patent ↗
Granted: Sep 1, 1992
Filed: Sep 9, 1991
Inventor
Richard Feller
Assignee (at issue)
Monroe Truck Equipment, Inc.
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.