Jianxin Ren

3 Patents

• US124333222025

  Water-based Electronic Cigarette Liquid

  CHINA TOBACCO HENAN INDUSTRIAL CO., Ltd.

  0 cites
• USD10887252025

  Foldable Handle for Electric Grill

  0 cites
• US121504742024

  Cooling Cigarette Filter and Cigarette

  CHINA TOBACCO HUNAN INDUSTRIAL CO., Ltd.

  0 cites