USD291148SExpiredUtility
Knee platform crutch
Est. expiryOct 1, 2004(expired)· nominal 20-yr term from priority
Inventors:Marco Rizzo
75
PatentIndex Score
17
Cited by
5
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a knee platform crutch, substantially as shown.
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