Granted Patent
Utility
US 5,642,375 · App. 08/548,787
Passively-locked external optical cavity
Inventors:
David A. King, Richard Pittaro
Patented Case
View Patent ↗
Granted: Jun 24, 1997
Filed: Oct 26, 1995
Inventors
David A. King
Richard Pittaro
Assignee (at issue)
Hewlett-Packard Company, L.P.
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.