Building units and construction elements – Stair – ladder – scaffold – or similar support – Stepped
Design Patent
2003-10-14
2004-11-30
Clark, Doris (Department: 2914)
Building units and construction elements
Stair, ladder, scaffold, or similar support
Stepped
Design Patent
active
D0499190
CLAIM:
The ornamental design for a dock or pontoon ladder, as shown.
REFERENCES:
patent: D181617 (1957-12-01), Allison
patent: D424706 (2000-05-01), Cholley
patent: 6158549 (2000-12-01), Hartman, Jr.
Garelick Richard J.
Hauck Charles J.
Welsch Matthew J.
Clark Doris
Garelick Mfg. Co.
Jacobson and Johnson
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