IP Library › Granted Patent US 4,172,659
Granted Patent Utility
US 4,172,659 · App. 05/862,733

Photographic printer with automatic sensor calibration

Inventor: Ronald C. Laska
Patented Case View Patent ↗
Granted: Oct 30, 1979 Filed: Dec 21, 1977
Inventor
Ronald C. Laska
Assignee (at issue)
Pako Corporation

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 4,172,659
App. No.
05/862,733
Filed
1977-12-21
Granted
1979-10-30
Kind
A