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Patent applications and USPTO patent grants for VanHouten; Desmond John.The latest application filed is for "roofing material with a non-asphalt backing".
Patent | Date |
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Roofing material with a non-asphalt backing Grant 11,384,541 - Verhoff , et al. July 12, 2 | 2022-07-12 |
Roofing Material With A Non-asphalt Backing App 20210017767 - Verhoff; Jonathan M. ;   et al. | 2021-01-21 |
Roofing material with a non-asphalt backing Grant 10,829,935 - Verhoff , et al. November 10, 2 | 2020-11-10 |
Roofing Material With A Non-asphalt Backing App 20190330850 - Verhoff; Jonathan M. ;   et al. | 2019-10-31 |
Roofing material with a non-asphalt backing Grant 10,370,852 - Verhoff , et al. | 2019-08-06 |
Roofing Material App 20180209148 - Verhoff; Jonathan M. ;   et al. | 2018-07-26 |
Roofing material with non-asphalt coating Grant 9,932,739 - Verhoff , et al. April 3, 2 | 2018-04-03 |
Roofing Material App 20170058528 - Verhoff; Jonathan M. ;   et al. | 2017-03-02 |
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