Environmental heating and cooling; fluid handling and sanitary e – Fluid handling or treatment equipment – Fitting
Patent
1990-07-10
1993-08-31
Largen, James R.
Environmental heating and cooling; fluid handling and sanitary e
Fluid handling or treatment equipment
Fitting
Patent
active
D03389480
REFERENCES:
patent: D306201 (1990-02-01), Paulsson
patent: 1226712 (1917-05-01), Skillman
patent: 2419996 (1947-05-01), Honikman
patent: 3545144 (1970-12-01), Siekler
patent: 3913284 (1975-10-01), Hall
patent: 4378177 (1983-03-01), Nicholas
patent: 4411108 (1983-10-01), Kerester
patent: 4551956 (1985-11-01), Axford
Gernstein Terry M.
Largen James R.
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