Granted Patent
Utility
US 4,331,300 · App. 06/146,312
Rotary cutter blade
Inventors:
William R. Hicks, Bhim S. Madan
Patented Case
View Patent ↗
Granted: May 25, 1982
Filed: May 5, 1980
Inventors
William R. Hicks
Bhim S. Madan
Assignee (at issue)
General Electric 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.