Granted Patent
Utility
US 4,427,878 · App. 06/319,010
Optical scanning apparatus incorporating counter-rotation of elements about a common axis by a common driving source
Inventors:
Michael E. Buchtel, Ronald T. Honda
Patented Case
View Patent ↗
Granted: Jan 24, 1984
Filed: Nov 6, 1981
Inventors
Michael E. Buchtel
Ronald T. Honda
Assignee (at issue)
Ford Aerospace & Communications Corporation
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.