Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883200 | Thermoplastic melting apparatus with a level indicator | Scott R. Miller | 1989-11-28 |
| 4821922 | Thermoplastic melting apparatus with a level indicator | Scott R. Miller | 1989-04-18 |