Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Air treatment
Design Patent
1999-03-02
2001-06-26
Lichtenstein, Lisa (Department: 2911)
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Air treatment
Design Patent
active
D0444218
CLAIM:
The ornamental design for a portion of a filter support, as shown and described.
REFERENCES:
patent: 4276265 (1981-06-01), Gillespie
patent: 4462399 (1984-07-01), Braun
patent: 4511380 (1985-04-01), Fetter
patent: 5054479 (1991-10-01), Yelland et al.
patent: 5732695 (1998-03-01), Metzger
Castiglione David M.
Mittelstadt William A.
3M Innovative Properties Company
Hanson Karl G.
Lichtenstein Lisa
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