Waveguide lens

Details Waveguide lens Waveguide lens

1999-04-19

2000-06-20

Davis, Antoine Duval

Measuring, testing, or signalling instruments

Measuring, regulating or indicating instrument, or casing

Geometric

1004

Patent

active

D04267834

REFERENCES:
patent: 3975084 (1976-08-01), Block
patent: 4775637 (1988-10-01), Sutherland et al.
patent: 4978503 (1990-12-01), Shanks et al.
patent: 5340715 (1994-08-01), Slovacek et al.
patent: 5469264 (1995-11-01), Shigemori
patent: 5841927 (1998-11-01), Watanabe et al.
patent: 5879824 (1999-03-01), Fujino
patent: 5943465 (1999-08-01), Kawaguchi et al.

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