Krahn; Gilbert H.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Krahn; Gilbert H..The latest application filed is for "phi fan".
- Krahn; Gilbert H. - Rockford IL US
- Krahn; Gilbert H. - Kenosha WI
| Patent | Date |
|---|---|
| Phi fan Grant 10,662,971 - Krahn | 2020-05-26 |
| Phi Fan App 20200011344 - Krahn; Gilbert H. | 2020-01-09 |
| Heel-shaped ergonomic writing instrument Grant 5,549,405 - Krahn August 27, 1 | 1996-08-27 |
| Rotary lock Grant D317,398 - Hansen , et al. June 11, 1 | 1991-06-11 |
| Rotary lock Grant D316,365 - Hansen , et al. April 23, 1 | 1991-04-23 |
| Anti-slip grab rail Grant 4,895,332 - Hansen , et al. January 23, 1 | 1990-01-23 |
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