| 8075816 |
Form station platen drive for a thermoforming machine and a method of leveling platens |
Steve Keeley |
2011-12-13 |
| 7303386 |
Method and apparatus for squaring and flattening sheets |
Stephen Keeley |
2007-12-04 |
| 7089985 |
Thermoformer for forming and heat bonding a thermoplastic sheet to a substrate |
Victor L. Chun, Fredrick A. Nebring |
2006-08-15 |
| 6969246 |
Forming station and process for twin sheet thermoforming |
Stephen Keeley |
2005-11-29 |
| 6648043 |
Thermoformer for forming and heat bonding a thermoplastic sheet to a substrate |
Victor L. Chun, Fredrick A. Nehring |
2003-11-18 |
| 6382953 |
Powered adjustment clamping frame for a thermoforming machine and method for power adjusting a clamping frame size |
Victor L. Chun, Roderick P. Schulte |
2002-05-07 |
| 5814185 |
Twin sheet thermoformer |
Victor L. Chun, Stephen Keeley |
1998-09-29 |
| 5249492 |
Vertical trim press and stacking apparatus and method of trimming and stacking articles |
Gaylord W. Brown, William F. Kent |
1993-10-05 |