Spirometer

Medical and laboratory equipment – Equipment for diagnosis – analysis – or treatment – Pulmonary

Design Patent

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Design Patent

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D0465573

CLAIM:
The ornamental design for a spirometer, as shown and described.

REFERENCES:
patent: 4086918 (1978-05-01), Russo
patent: 4183361 (1980-01-01), Russo
patent: 4499905 (1985-02-01), Greenberg et al.
patent: 4944306 (1990-07-01), Alvino
patent: D325634 (1992-04-01), Sweeney, Jr.
patent: 5564432 (1996-10-01), Thomson
patent: D403769 (1999-01-01), Weinstein et al.
patent: 5984873 (1999-11-01), Crumb et al.
patent: 6238353 (2001-05-01), Weinstein et al.
patent: D450124 (2001-11-01), Niles et al.
Twelve Page Advertising Brochure “Respiratory Care Innovations” for DHD Healthcare # 601-000-001 I 7/00.
Advertising Brochure “Introducing the DHD Coach 2” for DHD Healthcare # 601-434-002A, ©1997.

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