Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Portable
Patent
1995-05-15
1997-06-03
Lichtenstein, Lisa P.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Portable
D23314, D23337, 2303
Patent
active
D03796507
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Advertisement for Quartz Malular Heaters, published by Tansun-Quartzheat Division, Tunnel Road, Hill Top, West Bromwich, West Midlands B70 ORD, published at least as early as Sep. 10, 1993.
Kopczewski Michael T.
Smith Barry W.
Dybvig Roger S.
Lichtenstein Lisa P.
The W. B. Marvin Manufacturing Co.
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