USD291148SExpiredUtility

Knee platform crutch

Assignee: RIZZO MARCOPriority: Oct 1, 1984Filed: Oct 1, 1984Granted: Aug 4, 1987
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-modified
The ornamental design for a knee platform crutch, substantially as shown.

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