IP Library › Granted Patent US 4,906,784
Granted Patent Utility
US 4,906,784 · App. 07/248,241

Thermoplastic polyetherketones

Inventor: George A. Skoler
Patented Case View Patent ↗
Granted: Mar 6, 1990 Filed: Sep 19, 1988
Inventor
George A. Skoler
Assignee (at issue)
Amoco 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 4,906,784
App. No.
07/248,241
Filed
1988-09-19
Granted
1990-03-06
Kind
A