Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5852493 | Self-aligning laser transmitter having a dual slope grade mechanism | — | 1998-12-22 |
| 5033848 | Pendulous compensator for light beam projector | Edward E. Hart, Peter S. Winckler | 1991-07-23 |
| 4758729 | Apparatus and method for measuring the included angle of a reflective cone | — | 1988-07-19 |