Granted Patent
Utility
US 6,621,239 · App. 09/524,290
Method and apparatus for controlling the temperature of a multi-parameter light
Inventor:
Richard S. Belliveau
Patented Case
View Patent ↗
Granted: Sep 16, 2003
Filed: Mar 14, 2000
Inventor
Richard S. Belliveau
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.