Birr; Hans-Joachim
Patent Applications and Registrations
Patent applications and USPTO patent grants for Birr; Hans-Joachim.The latest application filed is for "telescopic guide wand for floor-cleaning appliances".
- Birr; Hans-Joachim - Wuppertal DE
| Patent | Date |
|---|---|
| Telescopic guide wand for floor-cleaning appliances Grant 4,989,295 - Guhne , et al. February 5, 1 | 1991-02-05 |
| Floor cleaning apparatus Grant 4,785,492 - Guhne , et al. November 22, 1 | 1988-11-22 |
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