IP Library › Granted Patent US 4,971,614
Granted Patent Utility
US 4,971,614 · App. 07/251,162

Method and apparatus for making optical fiber preform rods

Inventors: Anthony T. D'Annessa, Ray S. Elliott
Patented Case View Patent ↗
Granted: Nov 20, 1990 Filed: Sep 29, 1988
Inventors
Anthony T. D'Annessa
Ray S. Elliott
Assignee (at issue)
AT&T Bell Laboratories

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Quick Facts
Patent No.
US 4,971,614
App. No.
07/251,162
Filed
1988-09-29
Granted
1990-11-20
Kind
A