Jehn; E. F.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Jehn; E. F..The latest application filed is for "laser assembly for marking a line on a workpiece for guiding a cutting tool".
- Jehn; E. F. - Taipei TW
| Patent | Date |
|---|---|
| Laser assembly for marking a line on a workpiece for guiding a cutting tool Grant 5,446,635 - Jehn August 29, 1 | 1995-08-29 |
| Adjustable laser sight Grant 5,323,555 - Jehn June 28, 1 | 1994-06-28 |
| Laser sight Grant D347,018 - Jehn May 17, 1 | 1994-05-17 |
| Laser indicator to be used in golf training Grant 5,284,345 - Jehn February 8, 1 | 1994-02-08 |
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