Granted Patent
Utility
US 5,923,039 · App. 08/931,699
Ultraviolet transmittance analyzing method and instrument
Inventors:
Joseph William Jablonski, Norman Carlson
Patented Case
View Patent ↗
Granted: Jul 13, 1999
Filed: Sep 16, 1997
Inventors
Joseph William Jablonski
Norman Carlson
Assignee (at issue)
Labsphere, 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.