Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7101413 | Method of applying flux to molten metal | — | 2006-09-05 |
| 6640874 | Sealing riser sleeve | John E. Gotheridge | 2003-11-04 |
| 6352100 | Sealing riser sleeve | John E. Gotheridge | 2002-03-05 |
| 6349757 | Method of sealing using a riser sleeve | John E. Gotheridge | 2002-02-26 |
| 6209617 | Sealing riser sleeve | John E. Gotheridge | 2001-04-03 |