Walther; Uli
Patent Applications and Registrations
Patent applications and USPTO patent grants for Walther; Uli.The latest application filed is for "screw for use in concrete".
- Walther; Uli - Thunder Bay CA
| Patent | Date |
|---|---|
| Screw For Use In Concrete App 20060285940 - Walther; Uli | 2006-12-21 |
| Screw having a head with concave underside Grant 6,789,989 - Walther September 14, 2 | 2004-09-14 |
| Screw having a head with concave underside App 20030175093 - Walther, Uli | 2003-09-18 |
| Screw for use as a fastener in fibrous material such as wood Grant 6,152,666 - Walther , et al. November 28, 2 | 2000-11-28 |
| Self-countersinking screw with cutting receiving pockets Grant RE36,741 - Walther , et al. June 20, 2 | 2000-06-20 |
| Self-counter-sinking screw with cutting receiving pockets Grant 5,683,217 - Walther , et al. November 4, 1 | 1997-11-04 |
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