Granted Patent
Utility
US 5,002,371 · App. 07/417,805
Low coupling beam splitter and laser power or position monitor using same
Inventor:
David L. Wright
Patented Case
View Patent ↗
Granted: Mar 26, 1991
Filed: Oct 5, 1989
Inventor
David L. Wright
Assignee (at issue)
Spectra Physics, LPD
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.