Granted Patent
Utility
US 4,348,664 · App. 06/097,500
Device for measuring ultraviolet light exposure
Inventors:
Armando Boschetti, David J. Snoek
Patented Case
View Patent ↗
Granted: Sep 7, 1982
Filed: Nov 26, 1979
Inventors
Armando Boschetti
David J. Snoek
Assignee (at issue)
Elder Pharmaceuticals Ltd.
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.