Granted Patent
Utility
US 5,474,844 · App. 08/273,179
Image-forming transfer material including a polyester film
Inventors:
Yoshinori Sato, Tetsuya Masuda
Patented Case
View Patent ↗
Granted: Dec 12, 1995
Filed: Jul 26, 1994
Inventors
Yoshinori Sato
Tetsuya Masuda
Assignees (at issue)
Diafoil Hoechst Company, Ltd.
MITSUBISHI CHEMICAL 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.