Optical instrument

Details Optical instrument Optical instrument

2005-09-20

2005-09-20

Davis, Antoine D. (Department: 2915)

Measuring, testing, or signalling instruments

Measuring, regulating or indicating instrument, or casing

Geometric

Design Patent

active

D0509763

CLAIM:
The ornamental design for an optical instrument, as shown and described.

REFERENCES:
patent: D235318 (1975-06-01), Kooi
patent: D235319 (1975-06-01), Kooi
patent: D235375 (1975-06-01), Kooi et al.
patent: D235524 (1975-06-01), Kooi et al.
patent: D235525 (1975-06-01), Kooi et al.
patent: D333276 (1993-02-01), Donn
patent: D386993 (1997-12-01), Fujii et al.

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