Granted Patent
Utility
US 4,881,148 · App. 07/262,206
Remote control system for door locks
Inventors:
George Lambropoulos, Kenneth R. Pitera, Robert A. Hair
Patented Case
View Patent ↗
Granted: Nov 14, 1989
Filed: Oct 19, 1988
Inventors
George Lambropoulos
Kenneth R. Pitera
Robert A. Hair
Assignee (at issue)
Wickes Manufacturing Co.
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.