Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4383542 | Cleaning machine | Wayne H. Hanson, Derrick Heyl, Richard C. Kravik, Gerald P. Lawson, Jerry L. Schueler | 1983-05-17 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4383542 | Cleaning machine | Wayne H. Hanson, Derrick Heyl, Richard C. Kravik, Gerald P. Lawson, Jerry L. Schueler | 1983-05-17 |