USD440651SExpiredUtility

Positive expiratory pressure device

96
Assignee: DHD HEALTHCARE CORPPriority: Nov 24, 1999Filed: Nov 24, 1999Granted: Apr 17, 2001
Est. expiryNov 24, 2019(expired)· nominal 20-yr term from priority
Inventors:Jennifer M. ForanLawrence A. WeinsteinFredrick M. RichardsChristopher ZirpsRobert Elden
96
PatentIndex Score
72
Cited by
4
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a positive expiratory pressure device, as shown and described.

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