Granted Patent
Utility
US 6,481,874 · App. 09/681,400
Heat dissipation system for high power LED lighting system
Inventor:
James T. Petroski
Patented Case
View Patent ↗
Granted: Nov 19, 2002
Filed: Mar 29, 2001
Inventor
James T. Petroski
Assignee (at issue)
GELcore 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.