Granted Patent
Utility
US 5,546,487 · App. 08/266,982
Cylindrical fiber coupling lens with biaspheric surfaces
Inventor:
Stephen D. Fantone
Patented Case
View Patent ↗
Granted: Aug 13, 1996
Filed: Jun 28, 1994
Inventor
Stephen D. Fantone
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.