Granted Patent
Utility
US 4,080,008 · App. 05/712,568
Biased actuating wheels
Inventors:
Eugene R. Groff, John W. Sogge, Albert L. Woody
Patented Case
View Patent ↗
Granted: Mar 21, 1978
Filed: Aug 9, 1976
Inventors
Eugene R. Groff
John W. Sogge
Albert L. Woody
Assignee (at issue)
Caterpillar Tractor Co.
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.