| 6629917 |
Sealer apparatus for plastic film processing including an adjustably mounted seal bar, particularly for bag making machines |
Thomas G. Vanden Langenberg |
2003-10-07 |
| 6422986 |
Sealer apparatus for forming a cross seal in plastic film processing and particularly for bag making machines |
Peter J. Claybaker, Thomas D. Driscoll |
2002-07-23 |
| 6254521 |
Apparatus for manufacture of a plastic bag with standup bottom wall |
Donald J. Pansier, Troy D. Konitzer, Peter J. Claybaker, Michael P. Ireton, Robert B. DeMatteis |
2001-07-03 |
| 6004252 |
Bag making apparatus and method for making plastic bags including a wicket transfer unit and wicket conveyor |
— |
1999-12-21 |
| 5746569 |
Bag forming machine having adjustable support structure for paired work elements |
Michael Joseph Smith |
1998-05-05 |
| 5672235 |
Plastic film stripper apparatus and method for heated sealing apparatus |
William J. Greely, Shaughn V. Hanley |
1997-09-30 |
| 5086964 |
Dual drive web feed apparatus and method |
— |
1992-02-11 |
| 5041070 |
Intermittent web feed apparatus |
— |
1991-08-20 |
| 4820251 |
Web notching control apparatus |
— |
1989-04-11 |