Granted Patent
Utility
US 4,520,472 · App. 06/464,658
Beam expansion and relay optics for laser diode array
Inventor:
Charles W. Reno
Patented Case
View Patent ↗
Granted: May 28, 1985
Filed: Feb 7, 1983
Inventor
Charles W. Reno
Assignee (at issue)
RCA 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.