Granted Patent
Utility
US 4,928,134 · App. 07/320,515
Platen for thermal transfer printer
Inventors:
Tai Hasegawa, Jun Monnai, Masatoshi Matsuzaki
Patented Case
View Patent ↗
Granted: May 22, 1990
Filed: Mar 8, 1989
Inventors
Tai Hasegawa
Jun Monnai
Masatoshi Matsuzaki
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.