Granted Patent
Utility
US 5,043,892 · App. 07/572,292
Electronic control system for powershift transmission with compensation for magnetic coupling
Inventors:
Kevin L. Brekkestran, John C. Thomas
Patented Case
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Granted: Aug 27, 1991
Filed: Aug 27, 1990
Inventors
Kevin L. Brekkestran
John C. Thomas
Assignee (at issue)
J. I. Case Company
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.