Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent
1999-03-31
2000-09-26
Siegel, Mitchell
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
2399
Patent
active
D04312910
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Advertisement by assignee for a Duraflo.TM. roof vent dated May 1993.
Canplas Industries Ltd.
Siegel Mitchell
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