Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9079633 | Uni-wheel personal mobility vehicle with self-balancing function | Ting-Jen Yeh, Chun-Feng Huang | 2015-07-14 |
| D620289 | Furniture unit | Donald P. Gravel, John Hamilton, Karl J. Mead, Karl-Heinz Mueller, Andre K. Dettler | 2010-07-27 |
| D600483 | Furniture unit | Donald P. Gravel, John Hamilton, Karl J. Mead, Karl-Heinz Mueller | 2009-09-22 |
| D578817 | Furniture unit | Donald P. Gravel, John Hamilton, Karl J. Mead, Karl-Heinz Mueller | 2008-10-21 |