Granted Patent
Utility
US 5,339,441 · App. 07/907,893
Polarizing device with optically contacted thin film interface for high power density ultraviolet light
Inventors:
Thomas A. Kardos, Fred G. Kinley
Patented Case
View Patent ↗
Granted: Aug 16, 1994
Filed: Jul 2, 1992
Inventors
Thomas A. Kardos
Fred G. Kinley
Assignee (at issue)
Advanced Interventional Systems, 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.