Granted Patent
Utility
US 4,348,857 · App. 06/248,859
Rotary mower conditioner
Inventors:
Marc A. Berlivet, Abel A. J. Guerineau
Patented Case
View Patent ↗
Granted: Sep 14, 1982
Filed: Mar 30, 1981
Inventors
Marc A. Berlivet
Abel A. J. Guerineau
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.