USD444421SExpiredUtility

Electric 4-wheel wheelchair

Priority: Oct 3, 2000Filed: Oct 3, 2000Granted: Jul 3, 2001
Est. expiryOct 3, 2020(expired)· nominal 20-yr term from priority
Inventors:Min Cheng
71
PatentIndex Score
20
Cited by
4
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a electric  4 -wheel wheelchair, as shown and described.

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