Patents by Inventor Grant Shirley

Grant Shirley 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: 11015681
    Abstract: An improved gear lift box with a reduced number of parts through integration of elements and increased durability, serviceability and versatility through reconfiguration of various elements and accessories.
    Type: Grant
    Filed: October 7, 2019
    Date of Patent: May 25, 2021
    Inventor: Grant Shirley
  • Publication number: 20200032877
    Abstract: An improved gear lift box with a reduced number of parts through integration of elements and increased durability, serviceability and versatility through reconfiguration of various elements and accessories.
    Type: Application
    Filed: October 7, 2019
    Publication date: January 30, 2020
    Inventor: Grant Shirley
  • Patent number: 10527130
    Abstract: An improved gear lift box with a reduced number of parts through integration of elements and increased durability, serviceability and versatility through reconfiguration of various elements and accessories.
    Type: Grant
    Filed: September 30, 2016
    Date of Patent: January 7, 2020
    Inventor: Grant Shirley
  • Publication number: 20180094697
    Abstract: An improved gear lift box with a reduced number of parts through integration of elements and increased durability, serviceability and versatility through reconfiguration of various elements and accessories.
    Type: Application
    Filed: September 30, 2016
    Publication date: April 5, 2018
    Inventor: Grant Shirley