Hanig; John Arthur
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hanig; John Arthur.The latest application filed is for "safety grain bin door latch system".
- Hanig; John Arthur - Sheffield IA
| Patent | Date |
|---|---|
| Safety Grain Bin Door Latch System App 20210371193 - West; Connor Lee ; et al. | 2021-12-02 |
| Safety grain bin door latch system Grant 11,111,074 - West , et al. September 7, 2 | 2021-09-07 |
| Safety Grain Bin Door Latch System App 20210032018 - West; Connor Lee ; et al. | 2021-02-04 |
| Double end stud bolt and method of use Grant 10,907,373 - Poppen , et al. February 2, 2 | 2021-02-02 |
| Double End Stud Bolt And Method Of Use App 20190376305 - Poppen; Bradley Allan ; et al. | 2019-12-12 |
| Double end stud bolt and method of use Grant 10,407,935 - Poppen , et al. Sept | 2019-09-10 |
| Double End Stud Bolt And Method Of Use App 20180179775 - Poppen; Bradley Allan ; et al. | 2018-06-28 |
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