Isringhausen; Kenneth A.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Isringhausen; Kenneth A..The latest application filed is for "dual spreading arrowhead".
- Isringhausen; Kenneth A. - Carrollton IL
- Isringhausen; Kenneth A. - Jerseyville IL US
| Patent | Date |
|---|---|
| Dual Spreading Arrowhead App 20220057180 - Isringhausen; Kenneth A. | 2022-02-24 |
| Barbed fishing arrowhead Grant 11,033,011 - Isringhausen June 15, 2 | 2021-06-15 |
| Arrowhead rotating with offset blades Grant D847,937 - Isringhausen | 2019-05-07 |
| Barbed Fishing Arrowhead App 20190124898 - Isringhausen; Kenneth A. | 2019-05-02 |
| Arrowhead Grant D663,004 - Isringhausen July 3, 2 | 2012-07-03 |
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