Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7425256 | Selective shield/material flow mechanism | Ralph A. Barrese, Gary Gajdorus, John J. Konrad, Robert C. Schaffer, Timothy L. Wells | 2008-09-16 |
| 7288177 | Selective shield/material flow mechanism | Ralph A. Barrese, Gary Gajdorus, John J. Konrad, Robert C. Schaffer, Timothy L. Wells | 2007-10-30 |
| 6746578 | Selective shield/material flow mechanism | Ralph A. Barrese, Gary Gajdorus, John J. Konrad, Robert C. Schaffer, Timothy L. Wells | 2004-06-08 |
| 6372101 | Apparatus for preventing drag-out | Ralph A. Barrese, John J. Konrad, Donald L. Putman, David A. Space, Jr. | 2002-04-16 |