Granted Patent
Utility
US 6,122,018 · App. 09/007,577
Video display apparatus and method for controlling the switching of external input terminals thereof
Inventors:
Masakazu Sugihara, Haruko Kono
Patented Case
View Patent ↗
Granted: Sep 19, 2000
Filed: Jan 15, 1998
Inventors
Masakazu Sugihara
Haruko Kono
Assignee (at issue)
SONY GROUP 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.