Granted Patent
Utility
US 5,721,878 · App. 08/473,315
Multimedia control system and method for controlling multimedia program presentation
Inventors:
Hal Hjalmar Ottesen, Gordon James Smith, George Willard VanLeeuwen
Patented Case
View Patent ↗
Granted: Feb 24, 1998
Filed: Jun 7, 1995
Inventors
Hal Hjalmar Ottesen
Gordon James Smith
George Willard VanLeeuwen
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.