IP Library Granted Patent US 4,783,838
Granted Patent Utility
US 4,783,838 · App. 06/813,050

Image processing method and apparatus therefor

Inventor: Masahiko Matsunawa
Patented Case View Patent ↗
Granted: Nov 8, 1988 Filed: Dec 24, 1985
Inventor
Masahiko Matsunawa
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 4,783,838
App. No.
06/813,050
Filed
1985-12-24
Granted
1988-11-08
Kind
A