Granted Patent
Utility
US 4,321,787 · App. 05/584,870
Method and apparatus for making large round crop bales
Inventors:
Adin F. Holdeman, Melvin V. Gaeddert, Howard J. Ratzlaff, Martin E. Pruitt, Howard R. Lohrentz
Patented Case
View Patent ↗
Granted: Mar 30, 1982
Filed: Jun 9, 1975
Inventors
Adin F. Holdeman
Melvin V. Gaeddert
Howard J. Ratzlaff
Martin E. Pruitt
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.