Environmental heating and cooling; fluid handling and sanitary e – Fluid handling or treatment equipment – Valve or body therefor
Patent
1989-12-13
1992-03-17
Largen, James R.
Environmental heating and cooling; fluid handling and sanitary e
Fluid handling or treatment equipment
Valve or body therefor
Patent
active
D03247236
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patent: D217670 (1970-05-01), Rowlands
patent: D220101 (1971-03-01), Brown et al.
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patent: D253601 (1979-12-01), Haug
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patent: D291232 (1987-08-01), Haug et al.
patent: D291234 (1987-08-01), Bergmann et al.
patent: D291235 (1987-08-01), Bergmann et al.
patent: D291590 (1987-08-01), Bengtsson
patent: D301162 (1989-05-01), Oberdorfer
Domestic Engineering, Feb. 1987, p. 55.
KWC AG
Largen James R.
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