Granted Patent
Utility
US 4,512,416 · App. 06/431,008
Flat fold implement frame
Inventor:
David R. Smith
Patented Case
View Patent ↗
Granted: Apr 23, 1985
Filed: Sep 30, 1982
Inventor
David R. Smith
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.