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Patent
D422091
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Priority
Mar 16 1998
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Filed
Mar 16 1998
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Issued
Mar 28 2000
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Expiry
Mar 28 2014
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Assg.orig
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Entity
unknown
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5
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3
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n/a
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The ornamental design for a ladder leveler, as shown and described.
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FIG. 1 is a perspective view;
FIG. 2 is a left side view;
FIG. 3 is a top plan view;
FIG. 4 is a right side view; and,
FIG. 5 is a bottom plan view.
Michelsen, Peter D.
Patent |
Priority |
Assignee |
Title |
4069890, |
Apr 20 1976 |
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Device for leveling a ladder |
4699247, |
Dec 15 1983 |
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Ladder levelling device |
5339921, |
Jul 12 1993 |
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Ladder leveling device |
Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
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Maintenance Fee Events |
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