Douglas Machine Limited Liability Company
Patent Applications and Registrations
Patent applications and USPTO patent grants for Douglas Machine Limited Liability Company.The latest application filed is for "system and methods for mechanically processing bags".
- Douglas Machine Limited Liability Company - Alexandria MN
| Patent | Date |
|---|---|
| System and methods for mechanically processing bags Grant 6,094,888 - Pazdernik , et al. August 1, 2 | 2000-08-01 |
| Collapsed, tubular carton erecting apparatus Grant 5,897,480 - Pazdernik April 27, 1 | 1999-04-27 |
| Shrink film-encased double-tiered package Grant 5,813,540 - Vollbrecht , et al. September 29, 1 | 1998-09-29 |
| Continuous motion stacking apparatus and methods Grant 5,628,614 - Pazdernik , et al. May 13, 1 | 1997-05-13 |
| Tubular carton opening, presenting, and closing apparatus Grant 5,558,614 - Anderson , et al. September 24, 1 | 1996-09-24 |
| Random infeed timing device and methods Grant 5,543,699 - Schoeneck August 6, 1 | 1996-08-06 |
| Collapsed, tubular carton erecting apparatus Grant 5,352,178 - Pazdernik October 4, 1 | 1994-10-04 |
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