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Patent applications and USPTO patent grants for Johnson; Wendell D..The latest application filed is for "gasket assembly and electrical power transformer including the same".
Patent | Date |
---|---|
Gasket assembly and electrical power transformer including the same Grant 4,843,187 - Johnson June 27, 1 | 1989-06-27 |
Pressure relief device Grant 4,676,266 - Johnson June 30, 1 | 1987-06-30 |
Combined pressure relief valve and clamp Grant D282,393 - Johnson January 28, 1 | 1986-01-28 |
Pressure relief device Grant 4,431,023 - Johnson February 14, 1 | 1984-02-14 |
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