Environmental heating and cooling; fluid handling and sanitary e – Fluid handling or treatment equipment – Treatment
Patent
1991-10-09
1994-02-15
Burke, Wallace R.
Environmental heating and cooling; fluid handling and sanitary e
Fluid handling or treatment equipment
Treatment
Patent
active
D03443221
REFERENCES:
patent: D227886 (1973-07-01), Martinez
patent: D296463 (1988-06-01), Padilla
patent: D328121 (1992-07-01), Pedersen et al.
patent: 3342340 (1967-09-01), Shindell
patent: 4364828 (1982-12-01), Ward
patent: 4368123 (1983-01-01), Stanley
Kasner Stewart
Wiseberg Bram
Burke Wallace R.
Tung M. H.
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