Granted Patent
Utility
US 5,864,585 · App. 08/726,785
Cosine segment communications system
Inventor:
David E. Erisman
Patented Case
View Patent ↗
Granted: Jan 26, 1999
Filed: Oct 7, 1996
Inventor
David E. Erisman
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.