Granted Patent
Utility
US 6,143,487 · App. 07/983,304
Photothermographic elements
Inventors:
James B. Philip, Jr., Ivan H. Skoog, Gary Featherstone, Thomas J. Kub
Patented Case
View Patent ↗
Granted: Nov 7, 2000
Filed: Nov 30, 1992
Inventors
James B. Philip, Jr.
Ivan H. Skoog
Gary Featherstone
Thomas J. Kub
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.