Granted Patent
Utility
US 6,091,884 · App. 08/773,612
Enhancing operations of video tape cassette players
Inventors:
Henry C. Yuen, Daniel S. Kwoh, Roy J. Mankovitz, Carl Hindman, Hing Y. Ngai, Yee Kong Ng, Elsie Y. Leung
Patented Case
View Patent ↗
Granted: Jul 18, 2000
Filed: Dec 30, 1996
Inventors
Henry C. Yuen
Daniel S. Kwoh
Roy J. Mankovitz
Carl Hindman
Hing Y. Ngai
Yee Kong Ng
Elsie Y. Leung
Assignee (at issue)
INDEX SYSTEMS, LLC
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.