Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1979-01-08
1981-08-25
Largen, James R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
D2301
Patent
active
D02604213
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patent: 3540438 (1970-11-01), Jacuzzi
patent: 3605735 (1971-09-01), Soden
patent: 3677474 (1972-07-01), Lorenzen
patent: 3745994 (1973-07-01), Kane
patent: 3890655 (1975-06-01), Matis
patent: 3905358 (1975-09-01), Jacuzzi
patent: 3946449 (1976-03-01), Mathis
patent: 3985303 (1976-10-01), Steimle
patent: 4082091 (1978-04-01), Raab
Conger Brothers Manufacturing Co., Inc.
Hinderstein Philip M.
Largen James R.
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