Granted Patent
Utility
US 5,553,174 · App. 08/091,779
Monolithic cylindrical optic
Inventor:
James J. Snyder
Patented Case
View Patent ↗
Granted: Sep 3, 1996
Filed: Jul 14, 1993
Inventor
James J. Snyder
Assignee (at issue)
Blue Sky Research
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.