Granted Patent
Utility
US 4,700,149 · App. 06/776,718
Matching beam modulators
Inventors:
Malcolm D. M. Roe, Michael E. Hicks
Patented Case
View Patent ↗
Granted: Oct 13, 1987
Filed: Sep 16, 1985
Inventors
Malcolm D. M. Roe
Michael E. Hicks
Assignee (at issue)
Crosfield Electronics (USA) 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.