Portable oxygen concentrator

Details Portable oxygen concentrator Portable oxygen concentrator

2007-09-04

2007-09-04

Zarfas, Louis S. (Department: 2914)

Medical and laboratory equipment

Equipment for diagnosis, analysis, or treatment

Pulmonary

Design Patent

active

29237655

CLAIM:
The ornamental design for a portable oxygen concentrator, as shown.

REFERENCES:
patent: D322480 (1991-12-01), Rotariu
patent: 6152134 (2000-11-01), Webber et al.
patent: D454393 (2002-03-01), Lynch et al.
patent: D467335 (2002-12-01), Lithgow et al.
patent: D468017 (2002-12-01), McCombs
patent: D490155 (2004-05-01), Nakamura
patent: 2005/0051168 (2005-03-01), DeVries et al.

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