IP Library Granted Patent US 4,934,818
Granted Patent Utility
US 4,934,818 · App. 07/328,412

Refractive index profiling technique

Inventors: Werner J. Glantschnig, Knut D. Pohl
Patented Case View Patent ↗
Granted: Jun 19, 1990 Filed: Mar 24, 1989
Inventors
Werner J. Glantschnig
Knut D. Pohl
Assignee (at issue)
American Telephone and Telegraph, Co.

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Quick Facts
Patent No.
US 4,934,818
App. No.
07/328,412
Filed
1989-03-24
Granted
1990-06-19
Kind
A