Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5534659 | Apparatus and method for treating hazardous waste | Marlin Springer, Thomas Barkley | 1996-07-09 |
| 5517881 | Device for opening or closing twist closure | — | 1996-05-21 |
| 4528800 | Carton flap holder | — | 1985-07-16 |