Portion of ductwork

Details Portion of ductwork Portion of ductwork

2006-10-03

2006-10-03

Oliver, Catherine R. (Department: 2914)

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Element or attachment, not elsewhere specified

Design Patent

active

D0529598

CLAIM:
The ornamental design for a portion of ductwork, as shown and described.

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