Patents by Inventor Xiujuan Lei

Xiujuan Lei 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).

  • Bag packaging
    Patent number: D1013533
    Type: Grant
    Filed: September 13, 2022
    Date of Patent: February 6, 2024
    Assignees: ZHEJIANG NHU COMPANY LTD., HEILONGJIANG NHU BITTECHNOLOGY COMPANY LTD., SHANGYU NHU BIO-CHEM CO. LTD, SHANGDONG NHU FINE CHEMICAL SCIENCE AND TECHNOLOGY COMPANY LTD., XINCHANG NHU VITAMINS COMPANY LTD.
    Inventors: Liangang Shi, Xiujuan Lei