Granted Patent
Utility
US 6,795,459 · App. 09/798,721
Light frequency locker
Inventor:
John Tsai
Patented Case
View Patent ↗
Granted: Sep 21, 2004
Filed: Mar 1, 2001
Inventor
John Tsai
Assignee (at issue)
Fibera, Inc.
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.