SD

Songlin Dai

Overall (All Time): #1,072,700 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
D1062034 Water pipe — 2025-02-11
12055261 Telescopic water pipe — 2024-08-06
10890280 Water pipe with synchronously retractable multi-layer — 2021-01-12
10495240 Wear-resistant multi-layer retractable water pipe — 2019-12-03