Environmental heating and cooling; fluid handling and sanitary e – Fluid handling or treatment equipment – Fitting
Patent
1991-07-24
1993-06-29
Largen, James R.
Environmental heating and cooling; fluid handling and sanitary e
Fluid handling or treatment equipment
Fitting
Patent
active
D03369480
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patent: 3927428 (1975-12-01), Jette et al.
patent: 4353139 (1982-10-01), Wainwright
Kel-Gar, Inc.
Largen James R.
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