Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8077328 | Variable color incoherent alignment line and cross-hair generator | David Schmocker, Kenneth L. Freeman | 2011-12-13 |
| 5095386 | Optical system for generating lines of light using crossed cylindrical lenses | — | 1992-03-10 |
| 5038260 | Generator for generating one or more dots or lines of light | — | 1991-08-06 |
| 4538289 | Reflective alignment light for computerized tomography | — | 1985-08-27 |
| 4524583 | Stirling engine | — | 1985-06-25 |
| 4290341 | Rotary engine | — | 1981-09-22 |