IP Library Granted Patent US 4,519,869
Granted Patent Utility
US 4,519,869 · App. 06/567,444

Manufacture of filamentary composites

Inventors: Dee R. Gill, Rex B. Marks
Patented Case View Patent ↗
Granted: May 28, 1985 Filed: Feb 28, 1982
Inventors
Dee R. Gill
Rex B. Marks
Assignee (at issue)
HERCULES LLC

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 4,519,869
App. No.
06/567,444
Filed
1982-02-28
Granted
1985-05-28
Kind
A