Granted Patent
Utility
US 4,201,510 · App. 05/900,632
Automatic grapple control system
Inventor:
John R. Muntjanoff
Patented Case
View Patent ↗
Granted: May 6, 1980
Filed: Apr 27, 1978
Inventor
John R. Muntjanoff
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.