Granted Patent
Utility
US 4,731,355 · App. 06/915,902
Image-receiving sheet for thermal dye-transfer recording
Inventors:
Hiroshi Iwasaki, Kazuo Watanabe
Patented Case
View Patent ↗
Granted: Mar 15, 1988
Filed: Oct 6, 1986
Inventors
Hiroshi Iwasaki
Kazuo Watanabe
Assignee (at issue)
Kanzaki Paper Manufacturing Co., Ltd.
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.