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Patent applications and USPTO patent grants for Howell; Drew.The latest application filed is for "cylinder head casting apparatus and methods".
Patent | Date |
---|---|
Cylinder head casting apparatus and methods Grant 9,579,719 - Howell , et al. February 28, 2 | 2017-02-28 |
Cylinder Head Casting Apparatus And Methods App 20160243615 - Howell; Drew ;   et al. | 2016-08-25 |
Cylinder head casting apparatus and methods Grant 9,352,384 - Howell , et al. May 31, 2 | 2016-05-31 |
Cylinder Head Casting Apparatus And Methods App 20150343520 - Howell; Drew ;   et al. | 2015-12-03 |
Casting sand core composition Grant 8,974,587 - Howell , et al. March 10, 2 | 2015-03-10 |
Casting Sand Core Composition App 20120118200 - Howell; Drew ;   et al. | 2012-05-17 |
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