Granted Patent
Utility
US 4,571,379 · App. 06/701,452
Photographic polyester supports with copolymer subbing layer
Inventors:
Toshiaki Yamazaki, Takanori Nakadate, Kenichi Kitahara, Noboru Fujimori, Morio Kobayashi, Ryuji Shimosaki
Patented Case
View Patent ↗
Granted: Feb 18, 1986
Filed: Feb 13, 1985
Inventors
Toshiaki Yamazaki
Takanori Nakadate
Kenichi Kitahara
Noboru Fujimori
Morio Kobayashi
Ryuji Shimosaki
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.