Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8313093 | Portable vise | David W. McManama | 2012-11-20 |
| 7722019 | Portable vise | David W. McManama | 2010-05-25 |
| 7044146 | Portable shelter with rolling element bearings | — | 2006-05-16 |
| 6035877 | Collapsible shelter | Ming-Liang Tsai | 2000-03-14 |
| 5701923 | Collapsible shelter | Ming-Liang Tsai | 1997-12-30 |
| D373548 | Skate boot | — | 1996-09-10 |
| D372949 | In-line skate | — | 1996-08-20 |
| D371867 | Safety helmet | — | 1996-07-16 |
| D371868 | Safety helmet | — | 1996-07-16 |
| D369396 | In-line skate | — | 1996-04-30 |
| D368507 | In-line skate | — | 1996-04-02 |
| D367510 | Skate chassis | — | 1996-02-27 |
| D367341 | Safety helmet | — | 1996-02-20 |
| D366921 | In-line skate | — | 1996-02-06 |
| D358003 | Toddler safety helmet | — | 1995-05-02 |
| D358004 | Safety helmet | — | 1995-05-02 |
| D346841 | Roller skate chassis | — | 1994-05-10 |