Granted Patent
Utility
US 5,055,320 · App. 07/450,508
Process for the preparation of support sheet for photographic printing paper and resulting article
Inventors:
Takaharu Miura, Tsunehisa Shigetani, Minoru Moriki
Patented Case
View Patent ↗
Granted: Oct 8, 1991
Filed: Dec 14, 1989
Inventors
Takaharu Miura
Tsunehisa Shigetani
Minoru Moriki
Assignee (at issue)
Oji Paper 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.