IP Library › Granted Patent US 4,741,589
Granted Patent Utility
US 4,741,589 · App. 06/661,504

Coupler for optical waveguides

Inventors: Ernst Halder, Michael Ulmer
Patented Case View Patent ↗
Granted: May 3, 1988 Filed: Oct 16, 1984
Inventors
Ernst Halder
Michael Ulmer
Assignee (at issue)
Alcatel N.V.

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Quick Facts
Patent No.
US 4,741,589
App. No.
06/661,504
Filed
1984-10-16
Granted
1988-05-03
Kind
A