Granted Patent
Utility
US 4,344,334 · App. 06/185,861
Change-speed transmission with speed-range selection means for motor vehicles, particularly for farm tractors
Inventors:
Klaus Schmittbetz, Karl D. S. Struchtrup
Patented Case
View Patent ↗
Granted: Aug 17, 1982
Filed: Sep 11, 1980
Inventors
Klaus Schmittbetz
Karl D. S. Struchtrup
Assignee (at issue)
International Harvester 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.