Granted Patent
Utility
US 4,246,742 · App. 05/968,341
Double sickle mechanism
Inventors:
Stanley R. Clark, Howard R. Lohrentz
Patented Case
View Patent ↗
Granted: Jan 27, 1981
Filed: Dec 11, 1978
Inventors
Stanley R. Clark
Howard R. Lohrentz
Assignee (at issue)
Hesston 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.