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PLASKON CO Inc

PLASKON CO
Active Patents
0
Total Holdings
3

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US2227709A Formaldehyde-urea composition Expired / Lapsed 1940-06-11 1941-01-07 0 Details
US2193635A Method of making composite structures Expired / Lapsed 1938-01-15 1940-03-12 0 Details
US2076295A Insulating materials Expired / Lapsed 1934-12-08 1937-04-06 0 Details