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Copeman Laboratories Co

Copeman La
Active Patents
0
Total Holdings
2

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US2346029A Plant watering apparatus Expired / Lapsed 1937-12-18 1944-04-04 0 Details
US2134908A Package structure Expired / Lapsed 1935-12-23 1938-11-01 0 Details