Granted Patent
Utility
US 4,511,250 · App. 06/284,424
Apparatus for measuring scalar irradiance
Inventor:
Arthur A. Olsen
Patented Case
View Patent ↗
Granted: Apr 16, 1985
Filed: Jul 20, 1981
Inventor
Arthur A. Olsen
Assignee (at issue)
BALL 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.