USD422091SExpiredUtility
Ladder leveler
Individually held — no corporate assignee on recordPriority: Mar 16, 1998Filed: Mar 16, 1998Granted: Mar 28, 2000
Est. expiryMar 16, 2018(expired)· nominal 20-yr term from priority
Inventors:Peter Michelsen
21
PatentIndex Score
4
Cited by
3
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a ladder leveler, as shown and described.
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