Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4585522 | Automatically fed distillation still | Boyd R. Beck, LaMar Stewart, Steven L. Tapp, Don L. Anderson, Jr. | 1986-04-29 |
| 4364797 | Automatically fed distillation and fractionation system | Boyd R. Beck, LaMar Stewart, Steven L. Tapp, Don L. Anderson, Jr. | 1982-12-21 |
| 4314890 | Automatically fed distillation and fractionation system | Boyd R. Beck, LaMar Stewart, Steven L. Tapp, Don L. Anderson, Jr. | 1982-02-09 |