Geometrical instruments – Straight-line light ray type – Alignment device
Reexamination Certificate
2007-02-27
2007-02-27
Guadalupe-McCall, Yaritza (Department: 2859)
Geometrical instruments
Straight-line light ray type
Alignment device
C033S281000
Reexamination Certificate
active
10701940
ABSTRACT:
A light emitting module and a modular light emitting system with leveling capability. The system relates to light-based (e.g. lower-based) layout tools of the type used in the construction industry. More specifically, the system relates to a modular light emitting system for projection visible patterns, such as dots, lines, cross-lines and other patterns, on one or more distant surfaces for purposes of alignment, construction, verification and the like.
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Heger Charles E.
Krantz Norman L.
Miller Lawrence F.
Stauss Charles J.
Guadalupe-McCall Yaritza
Morrison & Foerster / LLP
Zircon Corporation
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