Granted Patent
Utility
US 4,873,948 · App. 07/209,273
Pneumatic actuator with solenoid operated control valves
Patented Case
View Patent ↗
Granted: Oct 17, 1989
Filed: Jun 20, 1988
Assignee (at issue)
Magnavox Government and Industrial Electronics 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.