Wallstein; Alexander I.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Wallstein; Alexander I..The latest application filed is for "cable coupler having retained wedges".
- Wallstein; Alexander I. - Laguna Beach CA
- Wallstein; Alexander I. - Salt Lake City UT
- Wallstein, Alexander I. - Chicago IL
| Patent | Date |
|---|---|
| Low profile mine roof support Grant 7,802,943 - Walker , et al. September 28, 2 | 2010-09-28 |
| Cable coupler having retained wedges Grant 7,690,868 - Wallstein , et al. April 6, 2 | 2010-04-06 |
| Cable Coupler Having Retained Wedges App 20100080649 - Wallstein; Alexander I. ; et al. | 2010-04-01 |
| Low Profile Mine Roof Support App 20090180841 - Walker; Roland ; et al. | 2009-07-16 |
| Cable Coupler Having Retained Wedges App 20090022544 - Wallstein; Alexander I. ; et al. | 2009-01-22 |
| Cable coupler having retained wedges Grant 7,384,216 - Wallstein , et al. June 10, 2 | 2008-06-10 |
| Truss shoe for a mine roof and method Grant 7,118,310 - Wallstein , et al. October 10, 2 | 2006-10-10 |
| Cable coupler having retained wedges App 20060211311 - Wallstein; Alexander I. ; et al. | 2006-09-21 |
| Wedge barrel for a twin cable mine roof bolt Grant 7,066,688 - Wallstein , et al. June 27, 2 | 2006-06-27 |
| Wedge Barrel For A Twin Cable Mine Roof Bolt App 20060083593 - Wallstein; Alexander I. ; et al. | 2006-04-20 |
| Truss shoe for a mine roof and method App 20050115188 - Wallstein, Alexander I. ; et al. | 2005-06-02 |
| Wedge barrel for a mine roof cable bolt Grant 6,881,015 - Wallstein , et al. April 19, 2 | 2005-04-19 |
| Wedge barrel for a mine roof cable bolt App 20040135422 - Wallstein, Alexander I. ; et al. | 2004-07-15 |
| Intermediate anchorage for concrete structures App 20020007604 - Wallstein, Alexander I. | 2002-01-24 |
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