Environmental heating and cooling; fluid handling and sanitary e – Fluid handling or treatment equipment – Dispersal
Patent
1985-07-22
1988-01-12
Largen, James R.
Environmental heating and cooling; fluid handling and sanitary e
Fluid handling or treatment equipment
Dispersal
Patent
active
D02937085
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patent: 4273289 (1981-06-01), Jette
Shames Harold
Shames Sidney J.
Largen James R.
Lettvin Norman
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