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Patent applications and USPTO patent grants for Busse; Mark A..The latest application filed is for "protective helmet with integrated rotational limiter".
Patent | Date |
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Protective Helmet With Integrated Rotational Limiter App 20210030100 - Shaffer; Samuel J. ;   et al. | 2021-02-04 |
Helmet Vent Bezel App 20210007431 - Shaffer; Samuel J. ;   et al. | 2021-01-14 |
Protective helmet with integrated rotational limiter Grant 10,834,988 - Shaffer , et al. November 17, 2 | 2020-11-17 |
Helmet vent bezel Grant 10,786,027 - Shaffer , et al. September 29, 2 | 2020-09-29 |
Protective Helmet With Integrated Rotational Limiter App 20190000174 - Shaffer; Samuel J. ;   et al. | 2019-01-03 |
Protective helmet with integrated rotational limiter Grant 10,010,126 - Shaffer , et al. July 3, 2 | 2018-07-03 |
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