USD471288SExpiredUtility

Step ladder wheel attachment

45
Assignee: AMERICAN INNOVATIONS INCPriority: May 21, 2002Filed: May 21, 2002Granted: Mar 4, 2003
Est. expiryMay 21, 2022(expired)· nominal 20-yr term from priority
Inventors:Frederick G. Feik
45
PatentIndex Score
6
Cited by
3
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a step ladder wheel attachment, as shown and described.

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