Hegdahl; David Wayne
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hegdahl; David Wayne.The latest application filed is for "film structures and methods of making film structures".
- Hegdahl; David Wayne - White Bear Lake MN
| Patent | Date |
|---|---|
| Film structures and methods of making film structures Grant 7,001,475 - Ausen , et al. February 21, 2 | 2006-02-21 |
| Film structures and methods of making film structures App 20030124291 - Ausen, Ronald Wayne ; et al. | 2003-07-03 |
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