Hackman; Wayne
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hackman; Wayne.The latest application filed is for "drip irrigation hose and method of its manufacture".
- Hackman; Wayne - San Diego CA
| Patent | Date |
|---|---|
| Drip irrigation hose and method of its manufacture Grant 5,855,324 - DeFrank , et al. January 5, 1 | 1999-01-05 |
| Drip irrigation hose and method of its manufacture Grant 5,722,601 - DeFrank , et al. March 3, 1 | 1998-03-03 |
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