Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D526563 | Valve | John S. Gruver, Christian Randhahn, Charles A. Curtiss, Stuart Leslie, Christopher J. Matice +1 more | 2006-08-15 |
| D519370 | Valve with dust cover | John S. Gruver, Christian Randhahn, Charles A. Curtiss, Stuart Leslie, Christopher J. Matice +1 more | 2006-04-25 |
| D516423 | Dust cover for a valve | John S. Gruver, Christian Randhahn, Charles A. Curtiss, Stuart Leslie, Christopher J. Matice +1 more | 2006-03-07 |
| D497550 | Beverage container | John S. Gruver, Christian Randhahn, Charles A. Curtiss, Stuart Leslie, Christopher J. Matice | 2004-10-26 |
| D485493 | Beverage container | John S. Gruver, Christian Randhahn, Charles A. Curtiss, Stuart Leslie, Christopher J. Matice | 2004-01-20 |
| 4993570 | Tamper indicating container-closure package | Randall K. Julian | 1991-02-19 |
| 4852751 | Tamper indicating container-closure package | — | 1989-08-01 |