Granted Patent
Utility
US 4,962,599 · App. 07/507,917
Quick connect-disconnect coupling for snow plow
Inventor:
Gary Scott Harris
Patented Case
View Patent ↗
Granted: Oct 16, 1990
Filed: Apr 12, 1990
Inventor
Gary Scott Harris
Assignee (at issue)
DSP Group Ltd.
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.