IP Library › Granted Patent US 1,087,735
Granted Patent S1
US 1,087,735 · App. 29/984,873 · Granted Aug 12, 2025

Torsion spring

Inventor: Qisen Li (Shandong, CN)
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Quick Facts
Patent No.
US 1,087,735
App. No.
29/984,873
Granted
Aug 12, 2025
Kind
S1
Claims (1)

The ornamental design for a torsion spring, as shown and described.

Priority Claims (1)
CN 202430833805.9 · Dec 30, 2024 · national
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