Optics: eye examining – vision testing and correcting – Eye examining or testing instrument – Objective type
Reexamination Certificate
2011-08-09
2011-08-09
Mai, Huy K (Department: 2873)
Optics: eye examining, vision testing and correcting
Eye examining or testing instrument
Objective type
Reexamination Certificate
active
07993001
ABSTRACT:
A diaphanoscope rod that comprises a rod having a first end and a second end, that is made of a transparent or translucent material, and also a light feeding device. According to the invention, one end of the rod comprises a light deflecting device.
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Bechrakis Nikolaos
Foerster Michael
Mann Dieter
Dieter Mann GmbH
Mai Huy K
McDonnell Boehnen & Hulbert & Berghoff LLP
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