Granted Patent
Utility
US 6,724,968 · App. 09/728,766
Photodefinition of optical devices
Inventors:
Hilary S. Lackritz, William K. Bischel, Tony C. Kowalczyk, Simon J. Field, Travis P. S. Thoms, Yeong-Cheng Lee
Patented Case
View Patent ↗
Granted: Apr 20, 2004
Filed: Dec 1, 2000
Inventors
Hilary S. Lackritz
William K. Bischel
Tony C. Kowalczyk
Simon J. Field
Travis P. S. Thoms
Yeong-Cheng Lee
Assignee (at issue)
GEMFIRE CORPORATION
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.