Granted Patent
Utility
US 6,386,721 · App. 09/349,280
Light pipe having one or more integral diffusers
Inventors:
Abbas Hosseini, Gajendra D. Savant
Patented Case
View Patent ↗
Granted: May 14, 2002
Filed: Jul 8, 1999
Inventors
Abbas Hosseini
Gajendra D. Savant
Assignee (at issue)
PHYSICAL OPTICS 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.