Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7384260 | Pinch bar and parison separation method | Dave Humphreys, William Richer, Robert Stoolmaker | 2008-06-10 |
| 6957953 | Reservoir reducing screw tip | Roy Krohn, David A. Kesselman | 2005-10-25 |
| 6673301 | Extrusion blow-molded squeezable tube-shaped container and method for making same | David W. Cargile, Roy Krohn, David A. Kesselman, Edward Roubal, Rafael Berrittella +1 more | 2004-01-06 |
| 6629834 | Apparatus for making a plastic container and closure combination | David W. Cargile, David A. Kesselman, Roy Krohn | 2003-10-07 |
| 6555033 | Method and apparatus for making a plastic container and closure combination | David W. Cargile, David A. Kesselman, Roy Krohn | 2003-04-29 |
| 6551092 | Parison separation assembly | David A. Kesselman, Bernd Klingenmaier, Jeff Enfield, Roy Krohn | 2003-04-22 |