Granted Patent
Utility
US 6,614,977 · App. 09/944,207
Use of deuterated gases for the vapor deposition of thin films for low-loss optical devices and waveguides
Inventors:
Frederick G. Johnson, Oliver S. King, John Hryniewicz, Lance G. Joneckis, Sai Chu, David M. Gill
Patented Case
View Patent ↗
Granted: Sep 2, 2003
Filed: Sep 4, 2001
Inventors
Frederick G. Johnson
Oliver S. King
John Hryniewicz
Lance G. Joneckis
Sai Chu
David M. Gill
Assignee (at issue)
Little Optics 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.