Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1978-09-28
1981-01-13
Largen, James R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
D2301
Patent
active
D02578786
REFERENCES:
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patent: D163329 (1951-05-01), Russell
patent: D163330 (1951-05-01), Russell
patent: 1160528 (1915-11-01), Pilkington
patent: 1236479 (1917-08-01), Peteler
patent: 1280511 (1918-10-01), Macbeth
patent: 1370993 (1921-03-01), Perkins
patent: 1382603 (1921-06-01), Wheeler
patent: 1831379 (1931-11-01), Creser
patent: 2200012 (1940-05-01), Russell et al.
patent: 2781166 (1957-02-01), Flood et al.
Geauque Robert E.
Largen James R.
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