Granted Patent
Utility
US 6,534,977 · App. 09/421,399
Methods and apparatus for optically measuring polarization rotation of optical wavefronts using rare earth iron garnets
Inventors:
Paul Duncan, Carvel Holton, Richard O. Claus
Patented Case
View Patent ↗
Granted: Mar 18, 2003
Filed: Oct 21, 1999
Inventors
Paul Duncan
Carvel Holton
Richard O. Claus
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.