IP Library › Granted Patent US 5,250,249
Granted Patent Utility
US 5,250,249 · App. 07/940,280

Extrusion apparatus and methods of extrusion

Inventor: John N. Garner
Patented Case View Patent ↗
Granted: Oct 5, 1993 Filed: Sep 3, 1992
Inventor
John N. Garner
Assignee (at issue)
Nortel Networks Limited

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Quick Facts
Patent No.
US 5,250,249
App. No.
07/940,280
Filed
1992-09-03
Granted
1993-10-05
Kind
A