IP Library › Granted Patent US 1,040,259
Granted Patent S1
US 1,040,259 · App. 29/916,919 · Granted Aug 27, 2024

Staircase machine

Inventor: Xiping Tang (Zhejiang, CN)
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Quick Facts
Patent No.
US 1,040,259
App. No.
29/916,919
Granted
Aug 27, 2024
Kind
S1
Claims (1)

The ornamental design for a staircase machine, as shown and described.