Granted Patent
Utility
US 6,324,320 · App. 09/238,366
Optical apparatus for producing a high-brightness multi-laser radiation source
Inventor:
Douglas S. Goodman
Patented Case
View Patent ↗
Granted: Nov 27, 2001
Filed: Jan 27, 1999
Inventor
Douglas S. Goodman
Assignee (at issue)
Polaroid Corporation
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.