Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Portable
Patent
1987-11-13
1989-08-22
Burke, Wallace R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Portable
D23346
Patent
active
D03030059
REFERENCES:
patent: D51558 (1917-12-01), Humphrey
patent: D63716 (1924-11-01), Grayson
patent: D78788 (1929-06-01), Sharp
patent: D284501 (1986-07-01), Heger
Constable Alan
Lloyd Alan M.
Smith Martin L.
Burke Wallace R.
Valor Heating Limited
Vinson Brian N.
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