Patents Assigned to Liso, Su-Land
  • Structure of head shield for welding pliers
    Patent number: 4993617
    Abstract: A welding apparatus that includes a welding rod pliers connected to a portable head shield by an elongated flexible articulated tube. The person can hold the pliers in one hand, with the flexible tube acting to position the shield in a proper location for viewing the weld connection. This feature leaves the person's other hand free to manipulate a clamp or other tool for holding the work pieces in place during the welding process.
    Type: Grant
    Filed: November 13, 1989
    Date of Patent: February 19, 1991
    Assignee: Liso, Su-Land
    Inventor: Chin-Pou Yang