Granted Patent
Utility
US 4,199,979 · App. 05/907,455
Test stand
Inventors:
Charles H. Herr, Jr., Alan L. McLees
Patented Case
View Patent ↗
Granted: Apr 29, 1980
Filed: May 19, 1978
Inventors
Charles H. Herr, Jr.
Alan L. McLees
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.