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Patent applications and USPTO patent grants for Allgeier; David M..The latest application filed is for "dirt separation system for a vacuum cleaner".
Patent | Date |
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Write input transaction apparatus and method Grant 7,672,900 - Allgeier , et al. March 2, 2 | 2010-03-02 |
Dirt separation system for a vacuum cleaner Grant 7,360,275 - Allgeier , et al. April 22, 2 | 2008-04-22 |
Filter assembly for a vacuum cleaner Grant 7,267,704 - Allgeier September 11, 2 | 2007-09-11 |
Dirt separation system for a vacuum cleaner App 20060282977 - Allgeier; David M. ;   et al. | 2006-12-21 |
Upper housing portion of a floor care appliance Grant D510,647 - Alford , et al. October 11, 2 | 2005-10-11 |
Filter assembly for a vacuum cleaner App 20040206238 - Allgeier, David M. | 2004-10-21 |
Write input transaction apparatus and method App 20030074318 - Allgeier, David M. ;   et al. | 2003-04-17 |
Write input credit transaction apparatus and method with paperless merchant credit card processing Grant 6,539,363 - Allgeier , et al. March 25, 2 | 2003-03-25 |
Method and apparatus for variable keyboard display Grant 5,949,348 - Kapp , et al. September 7, 1 | 1999-09-07 |
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