Granted Patent
Utility
US 6,826,140 · App. 10/251,187
Multichannel digital recording system with multi-user detection
Inventors:
Karl D. Brommer, Robert B. MacLeod, Jr., Michael Schmidt
Patented Case
View Patent ↗
Granted: Nov 30, 2004
Filed: Sep 20, 2002
Inventors
Karl D. Brommer
Robert B. MacLeod, Jr.
Michael Schmidt
Assignee (at issue)
BAE Systems Information and Electronic Systems Integration 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.