IP Library › Granted Patent US 4,985,301
Granted Patent Utility
US 4,985,301 · App. 06/518,757

Assembly for use in making a printing plate

Inventors: Alan Butters, Roger N. Barker
Patented Case View Patent ↗
Granted: Jan 15, 1991 Filed: Jul 29, 1983
Inventors
Alan Butters
Roger N. Barker
Assignee (at issue)
IMPERIAL CHEMICAL INDUSTRIES LIMITED

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 4,985,301
App. No.
06/518,757
Filed
1983-07-29
Granted
1991-01-15
Kind
A