Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5002709 | Method of making a foam insulated vessel | James L. Chevalier, John D. Pfeffer | 1991-03-26 |
| 4957097 | Foam insulated vessel and method of making the same | James L. Chevalier, John D. Pfeffer | 1990-09-18 |