Granted Patent
Utility
US 4,255,985 · App. 06/067,371
Bale-accumulating trailer
Inventors:
Thomas G. Schrag, Amos G. Hill, Howard R. Lohrentz
Patented Case
View Patent ↗
Granted: Mar 17, 1981
Filed: Aug 17, 1979
Inventors
Thomas G. Schrag
Amos G. Hill
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.