Environmental heating and cooling; fluid handling and sanitary e – Fluid handling or treatment equipment – Treatment
Design Patent
2001-04-06
2002-06-04
Taylor, Robin V. (Department: 2911)
Environmental heating and cooling; fluid handling and sanitary e
Fluid handling or treatment equipment
Treatment
Design Patent
active
D0458341
CLAIM:
The ornamental design for a ribbed filter, as substantially shown and described.
REFERENCES:
patent: 3760951 (1973-09-01), Mansfield
patent: 3954625 (1976-05-01), Michalski
patent: D305934 (1990-02-01), Sone
Smith Ronald E.
Smith & Hopen , P.A.
Taylor Robin V.
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