Granted Patent
Utility
US 5,363,458 · App. 08/203,328
Fiber optic light diffuser
Inventors:
Anpei Pan, Dipak R. Biswas
Patented Case
View Patent ↗
Granted: Nov 8, 1994
Filed: Feb 28, 1994
Inventors
Anpei Pan
Dipak R. Biswas
Assignee (at issue)
Fiberguide Industries, Inc.
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.