Granted Patent
Utility
US 6,687,906 · App. 09/284,894
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Inventors:
Henry C. Yuen, Roy J. Mankovitz, Daniel S. Kwoh, Elsie Y. Leung
Patented Case
View Patent ↗
Granted: Feb 3, 2004
Filed: Jul 13, 1999
Inventors
Henry C. Yuen
Roy J. Mankovitz
Daniel S. Kwoh
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.