Patents by Inventor Michael R. Yoder

Michael R. Yoder 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: 5079390
    Abstract: Disclosed is a device that can be placed on the lever arm of a switch and locked to prevent the switch from being turned on. The device comprises a rigid body having a clasping device for removably fixing the rigid body to the lever arm, an aperture through the rigid body in which the shackle of a lock can be placed, positioned so that when the shackle is in the aperture access to the clasping device is blocked, and a bracing portion which contacts the switch to prevent its lever arm from being rotated when the device is attached thereto.
    Type: Grant
    Filed: April 3, 1991
    Date of Patent: January 7, 1992
    Assignee: Occidental Chemical Corporation
    Inventors: John J. Costanzo, Donald H. Marsden, Michael R. Yoder