Maddock; Mitchell E.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Maddock; Mitchell E..The latest application filed is for "underground irrigation apparatus and method for using same".
- Maddock; Mitchell E. - Coolidge AZ
- Maddock; Mitchell E. - Florence AZ
| Patent | Date |
|---|---|
| Underground irrigation apparatus and method for using same Grant 4,697,952 - Maddock October 6, 1 | 1987-10-06 |
| In-line transparent dripper valve Grant D280,847 - Maddock October 1, 1 | 1985-10-01 |
| Hand held liquid herbicide applicator Grant 4,409,755 - Maddock October 18, 1 | 1983-10-18 |
| Hand held liquid herbicide applicator Grant 4,357,779 - Maddock November 9, 1 | 1982-11-09 |
| Apparatus for selective application of herbicide Grant 4,305,224 - Maddock December 15, 1 | 1981-12-15 |
| Liquid herbicide applicator Grant 4,291,491 - Maddock September 29, 1 | 1981-09-29 |
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