USD465573SExpiredUtility

Spirometer

44
Assignee: DHD HEALTHCARE CORPPriority: Nov 16, 2001Filed: Nov 16, 2001Granted: Nov 12, 2002
Est. expiryNov 16, 2021(expired)· nominal 20-yr term from priority
Inventors:Rex A. NilesFredrick M. RichardsDeborah A. LaunKenneth R. Pelerossi
44
PatentIndex Score
6
Cited by
12
References
1
Claims

Claims

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

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