← Back to Companies

WHITEHALL PATENTS Corp

WHITEHALL
Active Patents
0
Total Holdings
4

Patent Holdings

Filter in Explorer →
Patent No. Title Status Filing Date Grant Date Claims Actions
US2264324A Method of making separable fasteners Expired / Lapsed 1938-08-11 1941-12-02 0 Details
US2218090A Method of manufacturing separable fasteners Expired / Lapsed 1937-11-17 1940-10-15 0 Details
US2160160A Slider for separable fasteners Expired / Lapsed 1937-05-17 1939-05-30 0 Details
US2026904A Method of manufacturing fastener devices Expired / Lapsed 1933-12-20 1936-01-07 0 Details