Ackermann; Emil
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ackermann; Emil.The latest application filed is for "pocket lamp".
- Ackermann; Emil - Wattwil CH
| Patent | Date |
|---|---|
| Pocket lamp App 20060164826 - Ackermann; Emil ; et al. | 2006-07-27 |
| Antiglare device for welding protective masks Grant 6,941,577 - Ackermann September 13, 2 | 2005-09-13 |
| Antiglare device for welding protective masks App 20050097648 - Ackermann, Emil | 2005-05-12 |
| Electrooptical filter cartridge and a method for manufacturing the same Grant 5,854,667 - Ackermann December 29, 1 | 1998-12-29 |
| Electrically controllable optical filter element Grant 5,510,609 - Ackermann April 23, 1 | 1996-04-23 |
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