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C & D ACQUISITION CORP A CORP OF DE

C & D ACQU
Active Patents
0
Total Holdings
2

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US3990439A Protective breathing apparatus and valve therefor Expired / Lapsed 1974-12-05 1976-11-09 10 Details
US3320225A Method for manufacturing a plastic hinge Expired / Lapsed 1965-02-08 1967-05-16 2 Details