USD450124SExpiredUtility

Flow based incentive spirometer

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Assignee: DHD HEALTHCARE CORPPriority: Jan 18, 2001Filed: Jan 18, 2001Granted: Nov 6, 2001
Est. expiryJan 18, 2021(expired)· nominal 20-yr term from priority
Inventors:Rex A. NilesStephen D. DiehlPatrick W. OlinDeborah A. LaunDavid T. Middleton, Jr.
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PatentIndex Score
3
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2
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1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a flow based incentive spirometer, as shown and described.

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