Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1979-05-23
1981-10-13
Largen, James R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
D2301
Patent
active
D02613000
REFERENCES:
patent: D212535 (1968-10-01), Barkor
patent: D224834 (1972-09-01), Landell
patent: D241546 (1976-09-01), Rizzoto
patent: D245859 (1977-09-01), Grube
patent: D251678 (1979-04-01), Kwan
patent: D253069 (1979-10-01), Ogilivie
patent: 3722800 (1973-03-01), Shames et al.
patent: 3776469 (1973-12-01), Joannon
Friedrich Grohe Armaturenfabrik GmbH & Co.
Largen James R.
Lenkszus Donald J.
Raden James B.
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