Granted Patent
Utility
US 5,014,284 · App. 07/373,913
Discrete slope delta modulation with recovery means
Inventors:
Alois A. Langer, Khalil John Maalouf
Patented Case
View Patent ↗
Granted: May 7, 1991
Filed: Jun 30, 1989
Inventors
Alois A. Langer
Khalil John Maalouf
Assignee (at issue)
Cardiac Telecom 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.