Granted Patent
Utility
US 5,504,620 · App. 08/050,219
Device for dividing an optical beam
Inventor:
Manfred Maul
Patented Case
View Patent ↗
Granted: Apr 2, 1996
Filed: Jul 16, 1993
Inventor
Manfred Maul
Assignee (at issue)
Linotype-Hell AG
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.