Environmental heating and cooling; fluid handling and sanitary e – Fluid handling or treatment equipment – Fitting
Patent
1993-01-11
1995-01-17
Clark, Doris
Environmental heating and cooling; fluid handling and sanitary e
Fluid handling or treatment equipment
Fitting
D23268
Patent
active
D03545520
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patent: D22606 (1893-07-01), Hinsdale
patent: D28964 (1898-06-01), Wieber
patent: 2377373 (1945-06-01), Robertson
patent: 2887073 (1959-05-01), Thompson
patent: 4706701 (1987-11-01), Cresswell
patent: 4801377 (1989-01-01), Bolt
patent: 4956948 (1990-09-01), Hart
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