Lersch; Ulrich
Patent Applications and Registrations
Patent applications and USPTO patent grants for Lersch; Ulrich.The latest application filed is for "respiratory air filter".
- Lersch; Ulrich - 50259 Pulheim DE
- Lersch, Ulrich - Pulheim DE
- Lersch; Ulrich - D-50259 Pulheim DE
- Lersch; Ulrich - D-5024 DE
| Patent | Date |
|---|---|
| Respiratory air filter Grant 7,101,423 - Lersch , et al. September 5, 2 | 2006-09-05 |
| Respiratory air filter App 20040144255 - Lersch, Ulrich ; et al. | 2004-07-29 |
| Device for cleaning flat objects Grant 6,457,890 - Kohlruss , et al. October 1, 2 | 2002-10-01 |
| Device For Cleaning Flat Objects App 20020102124 - KOHLRUSS, GREGOR ; et al. | 2002-08-01 |
| Pad with fastening strips for cleaning floors Grant D398,724 - Kohlruss , et al. September 22, 1 | 1998-09-22 |
| Pad for cleaning floors Grant D391,709 - Kohlruss , et al. March 3, 1 | 1998-03-03 |
| Disposable, biodegradable, wax-impregnated dust-cloth Grant 5,599,550 - Kohlruss , et al. February 4, 1 | 1997-02-04 |
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