Patents by Inventor Christopher Stefko

Christopher Stefko 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).

  • Bicycle crank arm
    Patent number: D974240
    Type: Grant
    Filed: April 19, 2021
    Date of Patent: January 3, 2023
    Assignee: SRAM, LLC
    Inventors: William Q King, Jace Doan, Christopher Stefko
  • Bicycle crank arm
    Patent number: D975600
    Type: Grant
    Filed: April 19, 2021
    Date of Patent: January 17, 2023
    Assignee: SRAM, LLC
    Inventors: William Q King, Jace Doan, Christopher Stefko
  • Bicycle crank arm
    Patent number: D975601
    Type: Grant
    Filed: April 19, 2021
    Date of Patent: January 17, 2023
    Assignee: SRAM, LLC
    Inventors: William Q King, Jace Doan, Christopher Stefko