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LAWRIE L WITTER

LAWRIE L W
Active Patents
0
Total Holdings
2

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US2307406A Method of applying sealing strips Expired / Lapsed 1939-09-19 1943-01-05 0 Details
US1884665A Metallic treatment of vitreous materials Expired / Lapsed 1929-10-05 1932-10-25 0 Details