Granted Patent
Utility
US 4,345,870 · App. 06/159,767
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Inventors:
Carl M. Anderson, Vernon L. Losey
Patented Case
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Granted: Aug 24, 1982
Filed: Jun 16, 1980
Inventors
Carl M. Anderson
Vernon L. Losey
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.