Granted Patent
Utility
US 4,555,722 · App. 06/561,331
Tri-level sandcastle pulse decoder
Inventors:
Leopold A. Harwood, Robert L. Shanley, II
Patented Case
View Patent ↗
Granted: Nov 26, 1985
Filed: Dec 14, 1983
Inventors
Leopold A. Harwood
Robert L. Shanley, II
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.