Patents Assigned to MJ-Hammer, LLC
  • Patent number: 10543589
    Abstract: A hammer for installing a gasket into a joint between two pipes, the hammer comprising two opposed substantially rectangular, non-square strike surfaces which are rotationally offset from one another by 90 degrees such that an appropriate substantially rectangular, non-square strike surface may be selected by the user and applied to a gasket by simply rotating the hammer in the user's hands without requiring the user to relocate around the gasket.
    Type: Grant
    Filed: September 19, 2017
    Date of Patent: January 28, 2020
    Assignee: MJ-Hammer, LLC
    Inventor: John Manning
  • Patent number: D932860
    Type: Grant
    Filed: October 10, 2019
    Date of Patent: October 12, 2021
    Assignee: MJ-Hammer, LLC
    Inventor: John Manning