Patents Assigned to James Curtis Hilliard
  • D.C. direct drive impact wrench
    Patent number: 4991472
    Abstract: An impact tool comprised of a light weight housing having a forward anvil and hammer compartment, a hollow handle, and a rear cradle to receive a 12 volt motor, its housing and wiring therefor, with the motor removably accessible by the removal of only two threaded bolts. A trigger operated on-off switch is mounted in the handle.
    Type: Grant
    Filed: November 4, 1988
    Date of Patent: February 12, 1991
    Assignee: James Curtis Hilliard
    Inventor: Lyndol W. Hollingsworth