IP Library › Granted Patent US 1,136,267
Granted Patent S1
US 1,136,267 · App. 29/913,062 · Granted Jul 21, 2026

Ship ladder

Inventor: Chang Shu (Xinyi City, CN)
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Quick Facts
Patent No.
US 1,136,267
App. No.
29/913,062
Granted
Jul 21, 2026
Kind
S1
Claims (1)

The ornamental design for a ship ladder, as shown and described.

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