Granted Patent
Utility
US 4,676,053 · App. 06/752,122
Quick adjust flotation apparatus for a crop harvester
Inventor:
Martin E. Pruitt
Patented Case
View Patent ↗
Granted: Jun 30, 1987
Filed: Jul 5, 1985
Inventor
Martin E. Pruitt
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.