Granted Patent
Utility
US 6,485,387 · App. 09/669,762
Apparatus and method for determining the output speed of a hydrostatic unit in a hydro-mechanical transmission
Inventors:
Trent L. Goodnight, Douglas R. Johnson, David D. Dirks, Wilhelm Gollner
Patented Case
View Patent ↗
Granted: Nov 26, 2002
Filed: Sep 26, 2000
Inventors
Trent L. Goodnight
Douglas R. Johnson
David D. Dirks
Wilhelm Gollner
Assignee (at issue)
DEERE & 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.