IP Library Granted Patent US 6,771,868
Granted Patent Utility
US 6,771,868 · App. 10/465,881

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: Aug 3, 2004 Filed: Jun 20, 2003
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.

Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 6,771,868
App. No.
10/465,881
Filed
2003-06-20
Granted
2004-08-03
Kind
B2