USD305165SExpiredUtility

Two way check respiratory valve

95
Assignee: HANS RUDOLPH INCPriority: Aug 6, 1987Filed: Aug 6, 1987Granted: Dec 19, 1989
Est. expiryAug 6, 2007(expired)· nominal 20-yr term from priority
Inventors:Hans RudolphKevin A. Rudolph
95
PatentIndex Score
48
Cited by
11
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a two way check respiratory valve, as shown and described.

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