Granted Patent
Utility
US 6,441,938 · App. 09/283,053
Optical communication system with a single polarized, phase modulated transmitted beam
Inventors:
Donald G. Heflinger, Lee O. Heflinger
Patented Case
View Patent ↗
Granted: Aug 27, 2002
Filed: Apr 1, 1999
Inventors
Donald G. Heflinger
Lee O. 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.