Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5466316 | Welding method | James S. Hardigg | 1995-11-14 |
| 5296075 | Welding apparatus | James S. Hardigg | 1994-03-22 |
| 4553464 | Size trimmer | Peter J. Blake, Joseph C. Strzegowski, Jr. | 1985-11-19 |
| 4337024 | Seam roller | Peter J. Blake | 1982-06-29 |
| 4331748 | Sliding seal battery cover | James S. Hardigg | 1982-05-25 |