Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1976-02-13
1977-01-25
Largen, James R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
D2301
Patent
active
D02431807
REFERENCES:
patent: 3061202 (1962-10-01), Tyler
patent: 3685739 (1972-08-01), Vanier
patent: D199098 (1964-09-01), Tyler
patent: D228657 (1973-10-01), Anderson
Cary John Richard
Federico Joseph Benedict
Wesner Walter Herbert
Largen James R.
Marcus Stanley A.
The AFA Corporation
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