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Patent applications and USPTO patent grants for Federmann; Dirk.The latest application filed is for "method for producing a solder glass green seal".
Patent | Date |
---|---|
Method for producing a solder glass green seal Grant 10,170,775 - Federmann , et al. J | 2019-01-01 |
Method For Producing A Solder Glass Green Seal App 20160072137 - FEDERMANN; Dirk ;   et al. | 2016-03-10 |
Sealing arrangement for high-temperature fuel cell stack Grant 9,112,193 - Zerfass , et al. August 18, 2 | 2015-08-18 |
Sealing Arrangement For High-temperature Fuel Cell Stack App 20110003228 - Zerfass; Hans-Rainer ;   et al. | 2011-01-06 |
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