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GT Schjeldahl Co

GT Schjeld
Active Patents
0
Total Holdings
3

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US3347772A Rf sputtering apparatus including a capacitive lead-in for … Expired / Lapsed 1964-03-02 1967-10-17 2 Details
US3324019A Method of sputtering sequentially from a plurality of catho… Expired / Lapsed 1962-12-11 1967-06-06 2 Details
US3296115A Sputtering of metals wherein gas flow is confined to increa… Expired / Lapsed 1964-03-02 1967-01-03 2 Details