Granted Patent
Utility
US 4,934,985 · App. 07/366,056
Combine ground speed control system
Inventor:
Gilbert J. I. Strubbe
Patented Case
View Patent ↗
Granted: Jun 19, 1990
Filed: Jun 14, 1989
Inventor
Gilbert J. I. Strubbe
Assignee (at issue)
Ford New Holland, Inc.
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.