Environmental heating and cooling; fluid handling and sanitary e – Fluid handling or treatment equipment – Fitting
Patent
1984-09-17
1988-05-17
Largen, James R.
Environmental heating and cooling; fluid handling and sanitary e
Fluid handling or treatment equipment
Fitting
Patent
active
D02957809
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patent: D22237 (1893-02-01), Graham
patent: D240929 (1976-08-01), McIlroy
patent: 2037625 (1936-04-01), Goepel et al.
patent: 4031914 (1977-06-01), Neri
patent: 4032455 (1977-06-01), Kale
patent: 4179762 (1979-12-01), Barnhardt et al.
patent: 4371991 (1983-02-01), Schrott
Bloom Leonard
Largen James R.
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