Issued Patents All Time
Showing 76–78 of 78 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4750541 | Lifting mechanism for casting molds | Manfred Hartmann | 1988-06-14 |
| 4590983 | Precision vacuum melting and casting furnace with a melting chamber and a casting chamber | Manfred Hartmann | 1986-05-27 |
| 4492423 | Rotatable heavy-current connector | — | 1985-01-08 |