Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7699758 | Bi-directional exercise machine with different resistances in different directions | Lynn D. Hoggan, Michael K. Durtschi | 2010-04-20 |
| D538863 | Exercise machine | Lynn D. Hoggan, John W. Griffin, Michael K. Durtschi | 2007-03-20 |
| D531238 | Exercise machine | Lynn D. Hoggan, John W. Griffin, Michael K. Durtschi | 2006-10-31 |
| D531239 | Exercise machine | Lynn D. Hoggan, John W. Griffin, Michael K. Durtschi | 2006-10-31 |
| D528175 | Exercise machine | Lynn D. Hoggan, John W. Griffin, Michael K. Durtschi | 2006-09-12 |
| 6282826 | Protective holder and method of using same | — | 2001-09-04 |