Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4305564 | Casting mould for the production of concrete or similar pipes in an upright position | — | 1981-12-15 |
| 4254790 | Pressure control unit for the control of the pressure of at least one gas depending on the pressure of another gas | Einer Eriksson, Jorgen Schjerning Lundsgaard | 1981-03-10 |