Granted Patent
Utility
US 4,648,099 · App. 06/682,628
Digital minimum shift keyed modulator
Inventor:
Leo A. Kerr
Patented Case
View Patent ↗
Granted: Mar 3, 1987
Filed: Dec 17, 1984
Inventor
Leo A. Kerr
Assignee (at issue)
ALLIED CONSULTING, INC.
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.