Granted Patent
Utility
US 4,711,526 · App. 06/882,485
Attenuating beam splitter
Inventors:
David R. Hennings, Nubar Manoukian
Patented Case
View Patent ↗
Granted: Dec 8, 1987
Filed: Jul 7, 1986
Inventors
David R. Hennings
Nubar Manoukian
Assignee (at issue)
Coherent, 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.