Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6372101 | Apparatus for preventing drag-out | Ralph A. Barrese, Allen H. Hopkins, John J. Konrad, Donald L. Putman | 2002-04-16 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6372101 | Apparatus for preventing drag-out | Ralph A. Barrese, Allen H. Hopkins, John J. Konrad, Donald L. Putman | 2002-04-16 |