Langen; Johannes Christiana
Patent Applications and Registrations
Patent applications and USPTO patent grants for Langen; Johannes Christiana.The latest application filed is for "coupling means for containers such as two rotatably mounted drums".
- Langen; Johannes Christiana - Cuyk NL
| Patent | Date |
|---|---|
| Coupling Means For Containers Such As Two Rotatably Mounted Drums Grant 3,746,316 - Langen , et al. July 17, 1 | 1973-07-17 |
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