IP Library Granted Patent US 4,548,989
Granted Patent Utility
US 4,548,989 · App. 06/403,626

Fluorocarbon polymer compositions

Inventors: Christopher M. Allen, Ian R. Hincklieff
Patented Case View Patent ↗
Granted: Oct 22, 1985 Filed: Jul 20, 1982
Inventors
Christopher M. Allen
Ian R. Hincklieff
Assignee (at issue)
USM Holding 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 4,548,989
App. No.
06/403,626
Filed
1982-07-20
Granted
1985-10-22
Kind
A