Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5848639 | Non-metallic flow divider | Raymond D. Stratton, Steven M. Shaffer, Douglas B. Penney | 1998-12-15 |
| 4294303 | Sand core pattern and method of forming a sand mold | — | 1981-10-13 |