Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5011654 | Production of flat products | — | 1991-04-30 |
| 4763937 | Electromagnetic door lock system | Ralph A. Sittnick, Jr. | 1988-08-16 |
| 4622189 | Flat products comprising at least two bonded layers | John Bellis | 1986-11-11 |
| 4617054 | Production of metal strip | — | 1986-10-14 |