Granted Patent
Utility
US 4,601,062 · App. 06/705,496
Tracking image frequency trap
Inventor:
James Hettiger
Patented Case
View Patent ↗
Granted: Jul 15, 1986
Filed: Feb 28, 1985
Inventor
James Hettiger
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.