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Class Information
Number: 33/279
Name: Geometrical instruments > Straight-line light ray type > Multisight line > Relatively movable > Angularly and rectilinearly
Description: Device wherein the sight directing means are movable both about an axis and in a straight line relative to each other.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6922901 |
Light leveling device having remote control |
Aug. 2, 2005 |
| 6902329 |
Method and apparatus for the integration of parallel optical transceiver package |
Jun. 7, 2005 |
| 6877236 |
Optical measuring device system and method |
Apr. 12, 2005 |
| 6601309 |
Apparatus for marking by light planes a corner angle in a work area |
Aug. 5, 2003 |
| 6501536 |
Method and apparatus for determining the location of an occupant of a vehicle |
Dec. 31, 2002 |
| 5933393 |
Laser beam projection survey apparatus with automatic grade correction unit |
Aug. 3, 1999 |
| 5231539 |
Nodal-point adjusting retroreflector prism and method |
Jul. 27, 1993 |
| 4889425 |
Laser alignment system |
Dec. 26, 1989 |
| 4470664 |
Reflector device for use with optical distance measuring apparatus |
Sep. 11, 1984 |
| 3978590 |
Sighting device for luminaire positioning |
Sep. 7, 1976 |
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