Granted Patent
Utility
US 4,644,198 · App. 06/666,860
Signal clamp
Inventor:
Syed M. Ahmed
Patented Case
View Patent ↗
Granted: Feb 17, 1987
Filed: Oct 31, 1984
Inventor
Syed M. Ahmed
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.