Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5234473 | Heating platen transfer device | Alan L. Piper, Thomas E. Ferris | 1993-08-10 |
| 5152806 | Battery heat sealing machine and method | Alan L. Piper, Thomas E. Ferris | 1992-10-06 |
| 4999908 | Battery heat sealing machine and method | Alan L. Piper, Thomas E. Ferris | 1991-03-19 |