Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5970573 | Environmental device for cleaning surfaces | — | 1999-10-26 |
| 4280669 | Automatic web rewinder for tensioned web | Dale D. Leanna, Allen R. Jorgensen, Gerald W. Terp, Kenneth L. Nehring | 1981-07-28 |