Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7032875 | Bag closing apparatus | Keith Sterner, John F. Simonof, Jr., David R. Gill | 2006-04-25 |
| 6892510 | Bag closing apparatus | Keith Sterner, John F. Simonof, Jr., David R. Gill | 2005-05-17 |
| 6502367 | Bag closing apparatus | Keith Sterner, John F. Simonof, Jr., David R. Gill | 2003-01-07 |
| 6340100 | Apparatus for securing a bulk bag to a discharge spout | David R. Gill, John F. Simonof, Jr. | 2002-01-22 |