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Patent applications and USPTO patent grants for Harden; Jerrell W..The latest application filed is for "user assistance apparatus and methods".
Patent | Date |
---|---|
User assistance apparatus and methods Grant 8,990,975 - Harden , et al. March 31, 2 | 2015-03-31 |
Cultivator Grant 5,398,770 - Harden March 21, 1 | 1995-03-21 |
Cultivator with sweep and sifting assemblies Grant 5,390,745 - Harden February 21, 1 | 1995-02-21 |
Boom mounting and control assembly Grant 4,595,140 - Harden , et al. June 17, 1 | 1986-06-17 |
Soil conditioning and bed preparation apparatus Grant 4,524,837 - Harden June 25, 1 | 1985-06-25 |
Soil conditioning and seed bed preparing apparatus Grant 4,187,916 - Harden , et al. February 12, 1 | 1980-02-12 |
Sub-soil breaking, surface-soil conditioning and planter machine Grant 4,055,126 - Brown , et al. October 25, 1 | 1977-10-25 |
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