USD269700SExpiredUtility

Ventilator

55
Individually held — no corporate assignee on recordPriority: Dec 4, 1978Filed: Dec 4, 1978Granted: Jul 12, 1983
Est. expiryDec 4, 1998(expired)· nominal 20-yr term from priority
Inventors:Elwin E. PeirceArthur L. Waltz
55
PatentIndex Score
5
Cited by
2
References
1
Claims

Claims

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

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