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Patent applications and USPTO patent grants for Hampton; Leonard.The latest application filed is for "vacuum cleaner cleanout system".
Patent | Date |
---|---|
Vacuum cleaner with collapsible handle Grant 8,020,251 - Luebbering , et al. September 20, 2 | 2011-09-20 |
Vacuum Cleaner Cleanout System App 20090000054 - Hampton; Leonard ;   et al. | 2009-01-01 |
Multi-position cleaning device handgrip App 20070022562 - Hampton; Leonard | 2007-02-01 |
Vacuum turbo nozzle with movable visor App 20060277713 - Sandlin; Randall ;   et al. | 2006-12-14 |
Vacuum brushroll edge cleaner App 20060272122 - Butler; Dennis ;   et al. | 2006-12-07 |
Vacuum cleaner with collapsible handle App 20060156509 - Luebbering; Gregory W. ;   et al. | 2006-07-20 |
Vacuum cleaner assembly Grant 4,748,713 - Sepke , et al. June 7, 1 | 1988-06-07 |
Vacuum cleaner assembly Grant 4,621,390 - Hampton , et al. November 11, 1 | 1986-11-11 |
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