Granted Patent
Utility
US 6,461,793 · App. 09/738,735
Laser addressable thermal transfer imaging element with an interlayer
Inventors:
Jeffrey C. Chang, John S. Staral, William A. Tolbert, Martin B. Wolk, Claire A. Jalbert, Hsin-hsin Chou
Patented Case
View Patent ↗
Granted: Oct 8, 2002
Filed: Dec 15, 2000
Inventors
Jeffrey C. Chang
John S. Staral
William A. Tolbert
Martin B. Wolk
Claire A. Jalbert
Hsin-hsin Chou
Assignee (at issue)
3M INNOVATIVE PROPERTIES COMPANY
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.