USD305166SExpiredUtility

Anesthesia and respiratory face mask

81
Individually held — no corporate assignee on recordPriority: Jul 13, 1987Filed: Jul 13, 1987Granted: Dec 19, 1989
Est. expiryJul 13, 2007(expired)· nominal 20-yr term from priority
Inventors:Jeffrey John QuinnBrad Quinn
81
PatentIndex Score
23
Cited by
4
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for an anesthesia and respiratory face mask, as shown and described.

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