Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7219819 | Self-venting valve | J Wayne Halfacre, John S. Gruver, Charles A. Curtiss, Stuart Leslie, Christopher J. Matice +1 more | 2007-05-22 |
| D526563 | Valve | J. Wayne Halfacre, John S. Gruver, Charles A. Curtiss, Stuart Leslie, Christopher J. Matice +1 more | 2006-08-15 |
| D519370 | Valve with dust cover | J. Wayne Halfacre, John S. Gruver, Charles A. Curtiss, Stuart Leslie, Christopher J. Matice +1 more | 2006-04-25 |
| D516423 | Dust cover for a valve | J. Wayne Halfacre, John S. Gruver, Charles A. Curtiss, Stuart Leslie, Christopher J. Matice +1 more | 2006-03-07 |
| D497550 | Beverage container | J. Wayne Halfacre, John S. Gruver, Charles A. Curtiss, Stuart Leslie, Christopher J. Matice | 2004-10-26 |
| D485493 | Beverage container | J. Wayne Halfacre, John S. Gruver, Charles A. Curtiss, Stuart Leslie, Christopher J. Matice | 2004-01-20 |