Patents by Inventor John P. Law

John P. Law 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).

  • Energy absorbing keyhole slots
    Patent number: 4218853
    Abstract: A grinder guard where the mounting is designed to absorb energy without release. The improvement comprising an energy absorbing mounting bolt slot in the guard.
    Type: Grant
    Filed: November 29, 1978
    Date of Patent: August 26, 1980
    Assignee: Ingersoll-Rand Company
    Inventors: Robert A. Willoughby, John P. Law, Renno W. Budziak
  • Grinder safety device
    Patent number: 4103460
    Abstract: A safety interlock arrangement for pressure fluid-driven tools wherein positioning of the safety device is required to permit the supply of pressure fluid to operate the tool.
    Type: Grant
    Filed: February 2, 1977
    Date of Patent: August 1, 1978
    Assignee: Ingersoll-Rand Company
    Inventor: John P. Law