Granted Patent
Utility
US 4,776,656 · App. 07/043,085
TE-TM mode converter
Inventors:
Norman A. Sanford, William A. Dyes, James M. Connors
Patented Case
View Patent ↗
Granted: Oct 11, 1988
Filed: Apr 27, 1987
Inventors
Norman A. Sanford
William A. Dyes
James M. Connors
Assignee (at issue)
Polaroid Corporation
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.