Granted Patent
Utility
US 6,791,602 · App. 09/553,150
Frame switcher and method of switching, digital camera and monitoring system
Inventors:
Yuhi Sasaki, Toshiaki Shinohara
Patented Case
View Patent ↗
Granted: Sep 14, 2004
Filed: Apr 20, 2000
Inventors
Yuhi Sasaki
Toshiaki Shinohara
Assignee (at issue)
SUMITOMO ELECTRIC INDUSTRIES, LTD.
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.