Granted Patent
Utility
US 4,806,940 · App. 06/858,410
Navigation mode selection apparatus
Inventors:
Blake G. Harral, Michael D. Reed
Patented Case
View Patent ↗
Granted: Feb 21, 1989
Filed: Apr 30, 1986
Inventors
Blake G. Harral
Michael D. Reed
Assignee (at issue)
Honeywell Limited
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.