Granted Patent
Utility
US 4,514,821 · App. 06/424,231
Electro-optical CCD transversal filter with analog reference weights
Inventor:
John Robertson Tower
Patented Case
View Patent ↗
Granted: Apr 30, 1985
Filed: Sep 27, 1982
Inventor
John Robertson Tower
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.