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Patent applications and USPTO patent grants for RIECHERS; Jorg.The latest application filed is for "tunnel lining composed of at least two concrete elements".
Patent | Date |
---|---|
Tunnel Lining Composed Of At Least Two Concrete Elements App 20210355827 - RIECHERS; Jorg | 2021-11-18 |
Protective element with drainage, for connecting to a concrete element of a tunnel extension Grant 10,830,043 - Riechers November 10, 2 | 2020-11-10 |
Protective Element With Drainage, For Connecting To A Concrete Element Of A Tunnel Extension App 20190309625 - RIECHERS; Jorg | 2019-10-10 |
Electrostatic headphones Grant 10,231,060 - Riechers , et al. | 2019-03-12 |
Electrostatic Headphones App 20170188158 - Riechers; Jorg ;   et al. | 2017-06-29 |
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