Granted Patent
Utility
US 5,539,478 · App. 08/454,763
Video receiver display and three axis remote control
Inventors:
Randal L. Bertram, Larry A. Black, Jonathan J. Hurd, Thomas K. Worthington
Patented Case
View Patent ↗
Granted: Jul 23, 1996
Filed: May 31, 1995
Inventors
Randal L. Bertram
Larry A. Black
Jonathan J. Hurd
Thomas K. Worthington
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.