Granted Patent
Utility
US 4,356,645 · App. 06/151,461
Variable wing plow blade and mounting structure therefor
Inventors:
Gordon Hine, Robert D. Mathis
Patented Case
View Patent ↗
Granted: Nov 2, 1982
Filed: May 19, 1980
Inventors
Gordon Hine
Robert D. Mathis
Assignee (at issue)
De Lorean Manufacturing 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.