Granted Patent
Utility
US 4,309,725 · App. 06/181,426
Signal processor for beam-scan velocity modulation
Inventor:
Willem H. Groeneweg
Patented Case
View Patent ↗
Granted: Jan 5, 1982
Filed: Aug 26, 1980
Inventor
Willem H. Groeneweg
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.