Granted Patent
Utility
US 4,457,132 · App. 06/318,345
Control apparatus
Inventor:
Maurice P. Roberts
Patented Case
View Patent ↗
Granted: Jul 3, 1984
Filed: Nov 5, 1981
Inventor
Maurice P. Roberts
Assignee (at issue)
TRW Limited
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.