Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |