Granted Patent
Utility
US 4,730,177 · App. 06/874,455
Shock and vibration resistant magnetically operated actuator
Inventor:
Joseph F. McSparran
Patented Case
View Patent ↗
Granted: Mar 8, 1988
Filed: Jun 16, 1986
Inventor
Joseph F. McSparran
Assignee (at issue)
RCA 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.