Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7059058 | Rotational constructional laser | Heinz Kousek, Manfred Ammann | 2006-06-13 |
| 6633373 | Leveling device for a leveling instrument emitting at least two light beams | — | 2003-10-14 |
| 5790248 | Laser beam levelling device | — | 1998-08-04 |
| 5742387 | Laser beam levelling device and process for operating a laser beam levelling device and associated contrivance | — | 1998-04-21 |
| 5436768 | Laser beam receivers | — | 1995-07-25 |
| 5347136 | Conduit construction laser system and laser beam receiver | — | 1994-09-13 |
| 5319187 | Laser beam receivers and canal building laser devices | — | 1994-06-07 |
| 5148018 | Laser beam levelling device | — | 1992-09-15 |
| 4854703 | Laser beam levelling instruments | — | 1989-08-08 |
| 4751782 | Laser beam levelling instruments | — | 1988-06-21 |