Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4495260 | Sliding seal lead bushing | James S. Hardigg | 1985-01-22 |
| 4439263 | Method and apparatus for bonding plastic materials | James S. Hardigg, Joseph C. Strzegowski, Jr. | 1984-03-27 |
| 4390384 | Method and apparatus for bonding thermoplastic materials | — | 1983-06-28 |