Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5243408 | Method and apparatus for detecting web discontinuities | — | 1993-09-07 |
| 5151753 | Non-parallax optical sighting instrument | — | 1992-09-29 |
| 4763419 | Optical viewing system | — | 1988-08-16 |
| 4447709 | Method for electrically perforating dielectric webs | — | 1984-05-08 |
| 4314142 | Spatially distributed electrostatic perforation of moving webs | William D. Brown | 1982-02-02 |
| 4297559 | Apparatus for controlled perforation of moving webs with fixed focus laser beam | — | 1981-10-27 |
| 4253010 | Spatially distributed electrostatic perforation of moving webs | William D. Brown | 1981-02-24 |
| 4218606 | Apparatus for perforating webs with high intensity, coherent radiation | — | 1980-08-19 |