| D1094125 |
Laser alignment tool |
— |
2025-09-23 |
| 6292258 |
Laser receiver with out-of-plumb indication and compensation |
Richard D'Alessandro, Jonathan A Jackson, Robert M. Perchak |
2001-09-18 |
| 6034613 |
Shock and vibration sensor |
Michael A. Stickelman |
2000-03-07 |
| 5166831 |
Light beam deflecting apparatus including a fluid |
— |
1992-11-24 |
| 5144486 |
Laser beam apparatus for providing multiple reference beams |
— |
1992-09-01 |
| 5033847 |
Angular positioning and calibration of projected reference light planes |
David L. Hamblin |
1991-07-23 |
| 5033848 |
Pendulous compensator for light beam projector |
Peter S. Winckler, Douglas B. Monnin |
1991-07-23 |
| 4717266 |
Low friction ferrofluid bearing arrangement |
Joseph G. Patten |
1988-01-05 |
| 4684836 |
Magnetic speed reduction device |
— |
1987-08-04 |
| 4654856 |
Laser beam projection device and arrangement for mounting a laser plasma tube therein |
Theodore J. Markley, Ted L. Teach, William C. Pohl |
1987-03-31 |
| 4629321 |
Grade setting and calibration arrangement for laser beam projection device |
Ted L. Teach |
1986-12-16 |