Granted Patent
Utility
US 6,497,988 · App. 09/791,322
Phase-change recording element for write once applications
Inventors:
Yuan-Sheng Tyan, Thomas R. Cushman, Giuseppe Farruggia, George R. Olin, Bruno Primerano, Fridrich Vazan, James A. Barnard
Patented Case
View Patent ↗
Granted: Dec 24, 2002
Filed: Feb 22, 2001
Inventors
Yuan-Sheng Tyan
Thomas R. Cushman
Giuseppe Farruggia
George R. Olin
Bruno Primerano
Fridrich Vazan
James A. Barnard
Assignee (at issue)
EASTMAN KODAK 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.