Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5899560 | Liquid slurry agitation apparatus | — | 1999-05-04 |
| 4616465 | Storage vessel and method of assembly | John F. Clark | 1986-10-14 |
| 4603525 | Storage vessel | John F. Clark | 1986-08-05 |
| 4591067 | Plastic insert for storage vessel | — | 1986-05-27 |