Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6497553 | Vortex attractor | David Reinfeld | 2002-12-24 |
| 6464459 | Lifting platform with energy recovery | — | 2002-10-15 |
| 6388393 | Ballasts for operating light emitting diodes in AC circuits | — | 2002-05-14 |