USD297353SExpiredUtility
Rotary air valve
Individually held — no corporate assignee on recordPriority: Jul 29, 1985Filed: Jul 29, 1985Granted: Aug 23, 1988
Est. expiryJul 29, 2005(expired)· nominal 20-yr term from priority
Inventors:Charles R. Clement
23
PatentIndex Score
0
Cited by
2
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for the rotary air valve, as shown.
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