Granted Patent
Utility
US 4,813,296 · App. 07/084,410
Flywheel sickle drive mechanism
Inventor:
Ronald K. Guinn
Patented Case
View Patent ↗
Granted: Mar 21, 1989
Filed: Aug 10, 1987
Inventor
Ronald K. Guinn
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.