Welbourne; Stephen B.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Welbourne; Stephen B..The latest application filed is for "animal-activated fluid flow control systems and methods".
- Welbourne; Stephen B. - Pittsfield IL
| Patent | Date |
|---|---|
| Animal-activated fluid flow control systems and methods Grant 8,166,917 - Welbourne May 1, 2 | 2012-05-01 |
| Valve system with float control of liquid dispensing Grant 7,779,787 - Welbourne August 24, 2 | 2010-08-24 |
| Animal-activated fluid flow control systems and methods App 20060096546 - Welbourne; Stephen B. | 2006-05-11 |
| Valve system with float control of liquid dispensing App 20060027179 - Welbourne; Stephen B. | 2006-02-09 |
| Laterally ejecting fluid flow control system and method Grant 6,981,469 - Welbourne January 3, 2 | 2006-01-03 |
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