Granted Patent
Utility
US 4,307,558 · App. 06/171,415
Lawn mower with combined clutch and self biasing brake
Inventors:
F. Eugene Bent, Irvin M. White
Patented Case
View Patent ↗
Granted: Dec 29, 1981
Filed: Jul 23, 1980
Inventors
F. Eugene Bent
Irvin M. White
Assignee (at issue)
Outboard Marine Corporation
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.