Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5820772 | Valveless diaphragm pump for dispensing molten metal | Otto W. Freitag, Randy Stevenson | 1998-10-13 |
| 4919076 | Reusable evaporation fixture | David L. Lutz, Russell B. Minter | 1990-04-24 |
| 4620572 | Radial reform head | David Eugene Baker, Howard L. Kelly | 1986-11-04 |