Pipkorn; Howard
Patent Applications and Registrations
Patent applications and USPTO patent grants for Pipkorn; Howard.The latest application filed is for "wire filter cage locking mechanism".
- Pipkorn; Howard - Soderville MN
- Pipkorn; Howard - Ham Lake MN
| Patent | Date |
|---|---|
| Wire filter cage locking mechanism Grant 8,226,738 - Harris , et al. July 24, 2 | 2012-07-24 |
| Wire Filter Cage Locking Mechanism App 20110277428 - Harris; Michael ; et al. | 2011-11-17 |
| Wire filter cage Grant 7,371,267 - Pipkorn , et al. May 13, 2 | 2008-05-13 |
| Wire filter cage App 20050183404 - Pipkorn, Howard ; et al. | 2005-08-25 |
| Wire Filter cage Grant 6,905,529 - Pipkorn , et al. June 14, 2 | 2005-06-14 |
| Wire filter cage App 20050034436 - Pipkorn, Howard ; et al. | 2005-02-17 |
| Wire filter cage Grant 6,790,250 - Pipkorn , et al. September 14, 2 | 2004-09-14 |
| Wire Filter Cage App 20040134170 - Pipkorn, Howard ; et al. | 2004-07-15 |
| Wire filter cage Grant 6,626,970 - Pipkorn , et al. September 30, 2 | 2003-09-30 |
| Wire filter cage App 20020104297 - Pipkorn, Howard ; et al. | 2002-08-08 |
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