Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4337704 | Turbulent-water way | Jurgen Cittrich, Karl-Ernst Kaufmann | 1982-07-06 |
| 4311215 | Brake for a slide coaster sled | Karlheinz Wolski | 1982-01-19 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4337704 | Turbulent-water way | Jurgen Cittrich, Karl-Ernst Kaufmann | 1982-07-06 |
| 4311215 | Brake for a slide coaster sled | Karlheinz Wolski | 1982-01-19 |