IP Library › Granted Patent US 5,132,549
Granted Patent Utility
US 5,132,549 · App. 07/571,613

Method and apparatus for the continuous formation of an extruded product

Inventors: Peter Allan, Michael J. Bevis
Patented Case View Patent ↗
Granted: Jul 21, 1992 Filed: Aug 31, 1990
Inventors
Peter Allan
Michael J. Bevis
Assignee (at issue)
NATIONAL RESEARCH DEVELOPMENT 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 5,132,549
App. No.
07/571,613
Filed
1990-08-31
Granted
1992-07-21
Kind
A