Granted Patent
Utility
US 4,772,872 · App. 06/940,885
Alignment system for encoders
Inventor:
Daniel D. Villani
Patented Case
View Patent ↗
Granted: Sep 20, 1988
Filed: Dec 12, 1986
Inventor
Daniel D. Villani
Assignee (at issue)
Hughes Aircraft Company
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.