Leu; Erwin
Patent Applications and Registrations
Patent applications and USPTO patent grants for Leu; Erwin.The latest application filed is for "thread draw-off device".
- Leu; Erwin - Horgen CH
| Patent | Date |
|---|---|
| Thread draw-off device Grant 4,169,563 - Leu October 2, 1 | 1979-10-02 |
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