Koenig; Brian D.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Koenig; Brian D..The latest application filed is for "long roller slip conveyor".
- Koenig; Brian D. - Hastings MN
| Patent | Date |
|---|---|
| Slip roller conveyor Grant 7,748,520 - Helgerson , et al. July 6, 2 | 2010-07-06 |
| Long roller slip conveyor Grant 7,503,450 - Helgerson , et al. March 17, 2 | 2009-03-17 |
| Long Roller Slip Conveyor App 20090045035 - Helgerson; David E. ; et al. | 2009-02-19 |
| Conveyor assembly Grant 7,175,018 - Helgerson , et al. February 13, 2 | 2007-02-13 |
| Conveyor assembly App 20060016668 - Helgerson; David E. ; et al. | 2006-01-26 |
| Conveyor assembly Grant 6,959,804 - Helgerson , et al. November 1, 2 | 2005-11-01 |
| Conveyor assembly App 20040016626 - Helgerson, David E. ; et al. | 2004-01-29 |
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