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Grayhill Inc

Grayhill I
Active Patents
0
Total Holdings
2

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US3116101A Test clip Expired / Lapsed 1960-04-06 1963-12-31 2 Details
US2900662A Molding machine Expired / Lapsed 1955-09-01 1959-08-25 0 Details