Granted Patent
Utility
US 5,647,662 · App. 08/550,251
Apparatus for cooling a light beam
Inventors:
Byron J. Ziegler, Richard S. Belliveau
Patented Case
View Patent ↗
Granted: Jul 15, 1997
Filed: Oct 6, 1995
Inventors
Byron J. Ziegler
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.