Patents by Inventor Yishak R. Sultan

Yishak R. Sultan 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: 10221587
    Abstract: A device preventing movement of a lever in an upward and downward direction is disclosed. The device has a first projection and a second projection that are moveable radially to a first position that prevents movement of the lever, and to a second position that permits movement of the lever. The first projection and the second projection may be moved independently by engaging respective buttons on the first projection and the second projection. The device has many uses, included as a safety device to prevent children or others from moving a door lever to open a door.
    Type: Grant
    Filed: August 17, 2018
    Date of Patent: March 5, 2019
    Inventors: Judah Bergman, Yishak R. Sultan
  • Patent number: D1011086
    Type: Grant
    Filed: April 25, 2022
    Date of Patent: January 16, 2024
    Assignee: Jool Products LLC
    Inventors: Judah Bergman, Yishak R Sultan, Chao Yang