USD411504SExpiredUtility
Pressure aid on the wiper blade arm
Est. expiryAug 31, 2017(expired)· nominal 20-yr term from priority
Inventors:Wen-Chao Hsu
74
PatentIndex Score
35
Cited by
5
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a pressure aid on the wiper blade arm, as shown and described.
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