Granted Patent
Utility
US 4,558,352 · App. 06/555,588
Sampled data vertical detail signal processor
Inventor:
Donald J. Sauer
Patented Case
View Patent ↗
Granted: Dec 10, 1985
Filed: Nov 28, 1983
Inventor
Donald J. Sauer
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.