Granted Patent
Utility
US 6,469,817 · App. 09/336,248
Apparatus and method employing two optical signals for stabilizing an optical interferometer
Inventor:
Donald G. Heflinger
Patented Case
View Patent ↗
Granted: Oct 22, 2002
Filed: Jun 18, 1999
Inventor
Donald G. Heflinger
Assignee (at issue)
TRW Limited
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.