Granted Patent
Utility
US 4,707,406 · App. 06/815,249
Thermal transfer recording medium
Inventors:
Yoshihiro Inaba, Kunihiro Koshizuka, Tatsuichi Maehashi, Takao Abe
Patented Case
View Patent ↗
Granted: Nov 17, 1987
Filed: Dec 31, 1985
Inventors
Yoshihiro Inaba
Kunihiro Koshizuka
Tatsuichi Maehashi
Takao Abe
Assignee (at issue)
Konishiroku Photo Industry 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.