Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D406485 | Hammer holder | Michael C. F. Chen | 1999-03-09 |
| D401462 | Hammer holder | Michael C. F. Chen | 1998-11-24 |
| D392826 | Hammer holder | Michael C. F. Chen | 1998-03-31 |
| D384575 | Snap | — | 1997-10-07 |
| D355052 | Protective knee pad | David J. Long | 1995-01-31 |
| D354590 | Protective knee pad | David J. Long | 1995-01-17 |