Granted Patent
Utility
US 4,376,953 · App. 06/085,312
Signal separation networks
Inventor:
Saiprasad V. Naimpally
Patented Case
View Patent ↗
Granted: Mar 15, 1983
Filed: Oct 26, 1979
Inventor
Saiprasad V. Naimpally
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.