Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D382465 | Caster cover | Shivaprasad Dhanapal, Joel Wittkamp | 1997-08-19 |
| D381168 | Cart | Paul E. Delmerico, Brad Forrest, Joel Wittkamp | 1997-07-15 |
| D379705 | Post for cart | Paul E. Delmerico, Brad Forrest, Joel Wittkamp | 1997-06-03 |