Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Design Patent
2007-11-27
2007-11-27
Zarfas, Louis (Department: 2914)
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Element or attachment, not elsewhere specified
Design Patent
active
29258185
CLAIM:
The ornamental design for a crawlspace periscope air vent, as shown.
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http://found-hvac.en.alibaba.com/product/0/50402703/Automatic—Condensate—Vent—Set 2 pages.
Jackson James S
Sykes William G.
Muller David G.
Sykes William G.
Zarfas Louis
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