Granted Patent
Utility
US 5,335,735 · App. 07/900,314
Cultivator shank assembly with cammed shank end receiver
Inventor:
Kenneth A. Hake
Patented Case
View Patent ↗
Granted: Aug 9, 1994
Filed: Jun 18, 1992
Inventor
Kenneth A. Hake
Assignee (at issue)
Kent Manufacturing Co., 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.