IP Library › Granted Patent US 4,837,601
Granted Patent Utility
US 4,837,601 · App. 07/245,007

Automatic photographic paper processing apparatus

Inventors: Nobu Nakane, Noriharu Maruyama, Haruo Hakamada
Patented Case View Patent ↗
Granted: Jun 6, 1989 Filed: Sep 15, 1988
Inventors
Nobu Nakane
Noriharu Maruyama
Haruo Hakamada
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.

Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 4,837,601
App. No.
07/245,007
Filed
1988-09-15
Granted
1989-06-06
Kind
A