Granted Patent
Utility
US 5,973,839 · App. 09/035,369
Optical homogenizer
Inventor:
Andreas Dorsel
Patented Case
View Patent ↗
Granted: Oct 26, 1999
Filed: Mar 5, 1998
Inventor
Andreas Dorsel
Assignee (at issue)
Hewlett-Packard Company, L.P.
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.