Granted Patent
Utility
US 4,829,047 · App. 07/008,268
Dye transfer sheet for sublimation heat-sensitive transfer recording
Inventors:
Toshio Niwa, Yukichi Murata, Shuichi Maeda
Patented Case
View Patent ↗
Granted: May 9, 1989
Filed: Jan 29, 1987
Inventors
Toshio Niwa
Yukichi Murata
Shuichi Maeda
Assignee (at issue)
Mitsubishi Chemical Industries, 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.