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Spang Chalfant & Co Inc

Spang Chal

Active Patents

0

Total Holdings

4

Patent Holdings

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Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
US2062407A	Joint	Expired / Lapsed	1935-02-19	1936-12-01	0	Details
US2058388A	Method and apparatus for descaling metal	Expired / Lapsed	1934-03-23	1936-10-20	0	Details
US1965368A	Strainer	Expired / Lapsed	1932-08-04	1934-07-03	0	Details
US1927656A	Pipe joint	Expired / Lapsed	1931-12-23	1933-09-19	0	Details