Tiefel; Andrew
Patent Applications and Registrations
Patent applications and USPTO patent grants for Tiefel; Andrew.The latest application filed is for "ultraviolet light writing system".
- Tiefel; Andrew - South Lyon MI
| Patent | Date |
|---|---|
| Canted head-mounted light Grant 6,877,875 - Yu , et al. April 12, 2 | 2005-04-12 |
| Ultraviolet light writing system Grant 6,860,616 - Yu , et al. March 1, 2 | 2005-03-01 |
| Ultraviolet light writing system App 20050036303 - Yu, Sun ; et al. | 2005-02-17 |
| Canted head-mounted light App 20040085756 - Yu, Sun ; et al. | 2004-05-06 |
| Ultraviolet light writing system App 20030112623 - Yu, Sun ; et al. | 2003-06-19 |
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