Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11391418 | Photoluminous marker with transparent cover | — | 2022-07-19 |
| D870815 | Photo luminescent cover | — | 2019-12-24 |
| 10083637 | Photoluminescent cover for indicator signs | — | 2018-09-25 |
| 8558203 | Ultraviolet wavelength-transforming sleeve | — | 2013-10-15 |
| 8559646 | Spatial audio teleconferencing | — | 2013-10-15 |
| 8378324 | Handheld portable multi purpose sterilizing wavelength transforming converter | — | 2013-02-19 |
| 7781751 | Portable wavelength transforming converter for UV LEDs | — | 2010-08-24 |
| 7485883 | Variable wavelength radiation source | — | 2009-02-03 |
| 7148497 | Variable wavelength ultraviolet lamp | — | 2006-12-12 |
| 6243476 | Method and apparatus for producing binaural audio for a moving listener | — | 2001-06-05 |
| 5427278 | Highlighting-ink remover applicator | — | 1995-06-27 |
| 5324131 | Emphasizing ink removing applicator and ink removal method | — | 1994-06-28 |
| 5122107 | Situp exercise head-support harness | — | 1992-06-16 |