Hahn; Heinz W.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hahn; Heinz W..The latest application filed is for "unitary, disposable filter unit".
- Hahn; Heinz W. - Rochester NY
| Patent | Date |
|---|---|
| Unitary, disposable filter unit Grant D270,947 - Mehra , et al. October 11, 1 | 1983-10-11 |
| Disposable, one-piece filter unit Grant 4,357,240 - Mehra , et al. November 2, 1 | 1982-11-02 |
| Test tube rack Grant D257,390 - Hahn , et al. October 14, 1 | 1980-10-14 |
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