Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1005384 | Guitar pick | — | 2023-11-21 |
| 5261743 | Apparatus and methods for feeding a substantially uniform quantity of a mixture of materials having variable individual densities | — | 1993-11-16 |
| 5172489 | Plastic resin drying apparatus and method | — | 1992-12-22 |
| 5148943 | Method and apparatus for metering and blending different material ingredients | — | 1992-09-22 |
| 5110521 | Hybrid apparatus and method for blending materials | — | 1992-05-05 |
| 4756348 | Control apparatus for plastic blending machinery | — | 1988-07-12 |
| 4454943 | Auger housing construction | — | 1984-06-19 |