Granted Patent
Utility
US 5,203,631 · App. 07/779,444
Narrow spectral band pyrometry
Inventors:
Michelangelo Delfino, David T. Hodul
Patented Case
View Patent ↗
Granted: Apr 20, 1993
Filed: Oct 18, 1991
Inventors
Michelangelo Delfino
David T. Hodul
Assignee (at issue)
Varian, Inc.
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.