Butler; Steven Roy
Patent Applications and Registrations
Patent applications and USPTO patent grants for Butler; Steven Roy.The latest application filed is for "apparatus for manufacturing set cellular cement".
- Butler; Steven Roy - Le Thor FR
| Patent | Date |
|---|---|
| Apparatus for manufacturing set cellular cement Grant 8,517,594 - Rigaudon , et al. August 27, 2 | 2013-08-27 |
| Process and apparatus for manufacturing set cellular cement Grant 8,119,207 - Rigaudon , et al. February 21, 2 | 2012-02-21 |
| Gypsum board and systems comprising it Grant 7,700,505 - Leclercq , et al. April 20, 2 | 2010-04-20 |
| Apparatus For Manufacturing Set Cellular Cement App 20080310248 - Rigaudon; Michel ; et al. | 2008-12-18 |
| Process for manufacturing sound absorbing cement tile Grant 7,332,114 - Butler , et al. February 19, 2 | 2008-02-19 |
| Process For Manufacturing Sound Absorbing Cement Tile App 20060175723 - Butler; Steven Roy ; et al. | 2006-08-10 |
| New gypsum board and systems comprising it App 20060068186 - Leclercq; Claude ; et al. | 2006-03-30 |
| Process And Apparatus For Manufacturing Set Cellular Cement App 20050219938 - Rigaudon, Michel ; et al. | 2005-10-06 |
| Lightweight gypsum board product and method of manufacture App 20040026002 - Weldon, Walter ; et al. | 2004-02-12 |
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