Granted Patent
Utility
US 4,777,602 · App. 06/878,556
Digital autopilot controller for marine vessels
Inventor:
Charles R. Wesner
Patented Case
View Patent ↗
Granted: Oct 11, 1988
Filed: Jun 26, 1986
Inventor
Charles R. Wesner
Assignee (at issue)
Sperry Marine 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.