Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8611190 | Bio-acoustic wave energy transducer | Derke R. Hughes, Richard A. Katz, Albert H. Nuttall | 2013-12-17 |
| 5135446 | Training aid for skating | — | 1992-08-04 |
| 5083388 | Snow removal apparatus | — | 1992-01-28 |
| 4826469 | Belt adjuster | — | 1989-05-02 |