IP Library › Granted Patent US 1,039,075
Granted Patent S1
US 1,039,075 · App. 29/928,095 · Granted Aug 13, 2024

Staircase machine

Inventor: Shaowei Tong (Cixi, CN)
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Quick Facts
Patent No.
US 1,039,075
App. No.
29/928,095
Granted
Aug 13, 2024
Kind
S1
Claims (1)

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