Machines not elsewhere specified – Pump or compressor
Design Patent
2007-06-25
2008-12-02
Seifert, R. (Department: 2914)
Machines not elsewhere specified
Pump or compressor
Design Patent
active
D0581950
CLAIM:
The ornamental design for an ergonomic pressure calibration pump, as shown and described.
REFERENCES:
patent: D358397 (1995-05-01), Phillips et al.
patent: D476655 (2003-07-01), Liu
patent: D487899 (2004-03-01), Poon
patent: D510939 (2005-10-01), Nikolayev et al.
patent: D554152 (2007-10-01), Ratner
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