Granted Patent
Utility
US 4,628,025 · App. 06/754,258
Polyester support for photographic use
Inventors:
Toshiki Komaita, Takanori Nakadate, Yoshiyuki Funabashi, Kazuto Kiyohara
Patented Case
View Patent ↗
Granted: Dec 9, 1986
Filed: Jul 12, 1985
Inventors
Toshiki Komaita
Takanori Nakadate
Yoshiyuki Funabashi
Kazuto Kiyohara
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.