Wall reflectors for aligning laser beams and methods of...

Geometrical instruments – Straight-line light ray type – Alignment device

Reexamination Certificate

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Details

C033SDIG021

Reexamination Certificate

active

07003890

ABSTRACT:
Wall reflectors work in conjunction with devices that emit wall laser beams, for assisting the attachment on a wall of items such as pictures. The wall reflectors are constructed to be attached on the wall, and to provide surfaces for reflecting the laser light beam into rays. Multiple wall reflectors can optionally also provide a whole pattern on the wall, such as a grid.

REFERENCES:
patent: 5063679 (1991-11-01), Schwandt
patent: 5673492 (1997-10-01), Williams
patent: 5912736 (1999-06-01), Marcuse et al.
patent: 6694630 (2004-02-01), Dang et al.
patent: 6891148 (2005-05-01), Rivera et al.

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