Lawson; Kenneth L.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Lawson; Kenneth L..The latest application filed is for "turbine speed control for rotary irrigation sprinklers".
- Lawson; Kenneth L. - Rancho Cucamonga CA
| Patent | Date |
|---|---|
| Turbine speed control for rotary irrigation sprinklers Grant 6,929,194 - Lawson August 16, 2 | 2005-08-16 |
| Turbine speed control for rotary irrigation sprinklers App 20030150934 - Lawson, Kenneth L. | 2003-08-14 |
| Debris tolerant inlet control valve for an irrigation sprinkler Grant 6,186,413 - Lawson February 13, 2 | 2001-02-13 |
| Sprinkler with removable valve seat Grant 5,871,156 - Lawson February 16, 1 | 1999-02-16 |
| Retaining cover and sealing assembly for pop-up sprinklers Grant 5,222,669 - Lawson June 29, 1 | 1993-06-29 |
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