Schweinberger; Dirk
Patent Applications and Registrations
Patent applications and USPTO patent grants for Schweinberger; Dirk.The latest application filed is for "portable handheld work apparatus".
- Schweinberger; Dirk - Karlsruhe DE
| Patent | Date |
|---|---|
| Spring system Grant 7,784,772 - Knopp , et al. August 31, 2 | 2010-08-31 |
| Portable handheld work apparatus Grant 7,490,587 - Rosskamp , et al. February 17, 2 | 2009-02-17 |
| Portable handheld work apparatus App 20080121208 - Rosskamp; Heiko ; et al. | 2008-05-29 |
| Spring system App 20070187194 - Knopp; Axel ; et al. | 2007-08-16 |
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