Environmental heating and cooling; fluid handling and sanitary e – Fluid handling or treatment equipment – Treatment
Patent
1991-07-16
1993-08-24
Burke, Wallace R.
Environmental heating and cooling; fluid handling and sanitary e
Fluid handling or treatment equipment
Treatment
Patent
active
D03387046
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patent: D279267 (1985-06-01), Morris
patent: D295261 (1988-04-01), Welter
patent: 1214167 (1917-01-01), Jewell
patent: 1821726 (1931-09-01), Saporta
patent: 3381823 (1968-05-01), Nash
patent: 3736899 (1973-06-01), Manski
patent: 4048766 (1977-09-01), Dantzer et al.
Burke Wallace R.
Poltank, S.A.
Tung M. H.
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