Granted Patent
Utility
US 5,964,077 · App. 08/895,684
Dual accumulator hydraulic flotation system for crop harvester
Inventor:
Ronald K. Guinn
Patented Case
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Granted: Oct 12, 1999
Filed: Jul 17, 1997
Inventor
Ronald K. Guinn
Assignee (at issue)
Hay & Forage Industries
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.