Helda; Eric John
Patent Applications and Registrations
Patent applications and USPTO patent grants for Helda; Eric John.The latest application filed is for "magnet assembly".
- Helda; Eric John - Cornelius NC
| Patent | Date |
|---|---|
| Magnet Assembly App 20090278643 - Helda; Eric John | 2009-11-12 |
| Magnet assembly Grant 7,565,749 - Helda July 28, 2 | 2009-07-28 |
| Magnet Assembly App 20090094846 - Helda; Eric John | 2009-04-16 |
| Magnet assembly Grant 7,406,773 - Helda August 5, 2 | 2008-08-05 |
| Level Grant 7,360,316 - Hoover , et al. April 22, 2 | 2008-04-22 |
| Level App 20070044335 - Hoover; Brandon C. ; et al. | 2007-03-01 |
| Spirit level with integrated inclination adjustment mechanism Grant 7,086,166 - Helda , et al. August 8, 2 | 2006-08-08 |
| Magnet assembly App 20060137197 - Helda; Eric John | 2006-06-29 |
| Spirit level with integrated inclination adjustment mechanism App 20050252016 - Helda, Eric John ; et al. | 2005-11-17 |
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