Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6769736 | Positioning mechanism for a massage chair | William A. Martin, Paul Weiskopf | 2004-08-03 |
| 6729690 | Compact foldable massage chair | William A. Martin, Paul Weiskopf, Arthur Drusch | 2004-05-04 |