Granted Patent
Utility
US 6,144,748 · App. 08/831,469
Standard-compatible, power efficient digital audio interface
Inventor:
Robert Q. Kerns
Patented Case
View Patent ↗
Granted: Nov 7, 2000
Filed: Mar 31, 1997
Inventor
Robert Q. Kerns
Assignee (at issue)
ReSound 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.