USD448778SExpiredUtility
Diaphragm pump
Est. expiryOct 8, 2019(expired)· nominal 20-yr term from priority
Inventors:Tomoyuki Iwata
52
PatentIndex Score
8
Cited by
4
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a diaphragm pump, as shown.
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