Apparatus for measuring refractive power of lens

Details Apparatus for measuring refractive power of lens Apparatus for measuring refractive power of lens

2007-11-13

2007-11-13

Davis, Antoine D. (Department: 2915)

Measuring, testing, or signalling instruments

Measuring, regulating or indicating instrument, or casing

Design Patent

active

29257766

CLAIM:
The ornamental design for an apparatus for measuring refractive power of lens, as shown and described.

REFERENCES:
patent: D327024 (1992-06-01), Elie
patent: D341541 (1993-11-01), Ichiyoshi
patent: 5303022 (1994-04-01), Humphrey et al.
patent: 5708501 (1998-01-01), Ikezawa et al.
patent: 6236453 (2001-05-01), Ikezawa et al.
patent: 6798501 (2004-09-01), Mizuno
patent: 6972837 (2005-12-01), Kajino
patent: 7088439 (2006-08-01), Fukuma et al.

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