Environmental heating and cooling; fluid handling and sanitary e – Fluid handling or treatment equipment – Treatment
Design Patent
2008-02-06
2008-11-04
Webster, Robin V (Department: 2911)
Environmental heating and cooling; fluid handling and sanitary e
Fluid handling or treatment equipment
Treatment
Design Patent
active
D0580009
CLAIM:
The ornamental design for an oil and gas tubular joint filter, as shown and described.
REFERENCES:
patent: 4444661 (1984-04-01), Jackson et al.
patent: D369850 (1996-05-01), Cammack et al.
patent: D555226 (2007-11-01), Leavitt et al.
Montgomery Robert N.
Webster Robin V
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