Granted Patent
Utility
US 6,463,436 · App. 09/258,598
Interactive photometric calculations system
Inventor:
David W. Knoble
Patented Case
View Patent ↗
Granted: Oct 8, 2002
Filed: Feb 26, 1999
Inventor
David W. Knoble
Assignee (at issue)
GENLYTE THOMAS GROUP, LLC
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.