Granted Patent
Utility
US 5,768,631 · App. 08/533,487
Audio adapter card and method for trapping audio command and producing sound corresponding to the trapped command
Inventors:
Patrick K. Kam, Robert J. Devins, Stephen Hon, Emory D. Keller
Patented Case
View Patent ↗
Granted: Jun 16, 1998
Filed: Sep 25, 1995
Inventors
Patrick K. Kam
Robert J. Devins
Stephen Hon
Emory D. Keller
Assignee (at issue)
International Business Machines 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.