Environmental heating and cooling; fluid handling and sanitary e – Fluid handling or treatment equipment – Valve or body therefor
Patent
1991-06-10
1993-11-09
Largen, James R.
Environmental heating and cooling; fluid handling and sanitary e
Fluid handling or treatment equipment
Valve or body therefor
Patent
active
D03411885
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patent: D321241 (1991-10-01), Inglo
patent: 3033247 (1962-05-01), Beall, Jr.
patent: 3207190 (1965-09-01), Silbereis et al.
patent: 4874023 (1989-10-01), Ulm
patent: 4903742 (1990-02-01), Gagnon
Burgy N. Frank
Morrow, II Thomas H.
Burrow Industries, Inc.
Largen James R.
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