Granted Patent
Utility
US 4,675,624 · App. 06/717,850
Electrical phase shifter controlled by light
Inventors:
Arye Rosen, Peter R. Herczfeld
Patented Case
View Patent ↗
Granted: Jun 23, 1987
Filed: Mar 29, 1985
Inventors
Arye Rosen
Peter R. Herczfeld
Assignees (at issue)
RCA Corporation
DREXEL UNIVERSITY
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.