USD290026SExpiredUtility
Marble game ramp
Est. expiryJun 4, 2005(expired)· nominal 20-yr term from priority
Inventors:William J. Wichman
59
PatentIndex Score
8
Cited by
10
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a marble game ramp, as shown and described.
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