IP Library › Granted Patent US 5,376,510
Granted Patent Utility
US 5,376,510 · App. 08/166,621

Concentrated photographic developing solution

Inventors: Michael Parker, Anthony M. Lannon, Terence C. Webb, William E. Long
Patented Case View Patent ↗
Granted: Dec 27, 1994 Filed: Dec 13, 1993
Inventors
Michael Parker
Anthony M. Lannon
Terence C. Webb
William E. Long
Assignee (at issue)
Ilford AG

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 5,376,510
App. No.
08/166,621
Filed
1993-12-13
Granted
1994-12-27
Kind
A