Patents by Inventor Quanhua Mai

Quanhua Mai has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: D857961
    Type: Grant
    Filed: April 27, 2018
    Date of Patent: August 27, 2019
    Inventor: Quanhua Mai
  • Patent number: D880039
    Type: Grant
    Filed: January 13, 2019
    Date of Patent: March 31, 2020
    Inventor: QuanHua Mai
  • Patent number: D881435
    Type: Grant
    Filed: January 13, 2019
    Date of Patent: April 14, 2020
    Inventor: QuanHua Mai
  • Patent number: D882145
    Type: Grant
    Filed: November 8, 2019
    Date of Patent: April 21, 2020
    Inventor: Quanhua Mai
  • Patent number: D882849
    Type: Grant
    Filed: June 7, 2018
    Date of Patent: April 28, 2020
    Inventor: Quanhua Mai
  • Patent number: D895881
    Type: Grant
    Filed: June 19, 2019
    Date of Patent: September 8, 2020
    Inventor: QuanHua Mai
  • Patent number: D899664
    Type: Grant
    Filed: March 21, 2020
    Date of Patent: October 20, 2020
    Inventor: Quanhua Mai
  • Patent number: D903176
    Type: Grant
    Filed: July 29, 2019
    Date of Patent: November 24, 2020
    Inventor: QuanHua Mai
  • Patent number: D912293
    Type: Grant
    Filed: April 26, 2020
    Date of Patent: March 2, 2021
    Inventor: Quanhua Mai
  • Patent number: D960419
    Type: Grant
    Filed: November 8, 2019
    Date of Patent: August 9, 2022
    Inventor: Quanhua Mai
  • Patent number: D962523
    Type: Grant
    Filed: August 18, 2020
    Date of Patent: August 30, 2022
    Inventor: Quanhua Mai
  • Patent number: D962524
    Type: Grant
    Filed: August 18, 2020
    Date of Patent: August 30, 2022
    Inventor: Quanhua Mai
  • Patent number: D965840
    Type: Grant
    Filed: April 12, 2021
    Date of Patent: October 4, 2022
    Inventor: Quanhua Mai
  • Patent number: D1014820
    Type: Grant
    Filed: August 26, 2020
    Date of Patent: February 13, 2024
    Inventor: Quanhua Mai