Granted Patent
Utility
US 4,530,573 · App. 06/411,827
Optoelectronic multiposition RF signal switch
Inventor:
Herbert J. Wolkstein
Patented Case
View Patent ↗
Granted: Jul 23, 1985
Filed: Aug 26, 1982
Inventor
Herbert J. Wolkstein
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.