Granted Patent
Utility
US 4,763,326 · App. 06/937,598
Service-integrating, digital message transmission system for joint transmission of narrow-band and broadband signals
Inventor:
Wolfgang Krick
Patented Case
View Patent ↗
Granted: Aug 9, 1988
Filed: Dec 3, 1986
Inventor
Wolfgang Krick
Assignee (at issue)
U.S. Philips 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.