Granted Patent
Utility
US 4,819,493 · App. 07/098,654
Automobile electric door lock actuator
Inventor:
Arthur E. Dornan
Patented Case
View Patent ↗
Granted: Apr 11, 1989
Filed: Sep 21, 1987
Inventor
Arthur E. Dornan
Assignee (at issue)
KELSEY-HAYES-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.