Granted Patent
Utility
US 4,575,201 · App. 06/548,553
Method and apparatus for producing folded optical path devices
Inventors:
David E. Christian, C. Eugene McGraw, Robert Gazzero
Patented Case
View Patent ↗
Granted: Mar 11, 1986
Filed: Nov 3, 1983
Inventors
David E. Christian
C. Eugene McGraw
Robert Gazzero
Assignee (at issue)
Burroughs, Inc.
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.