Patents Assigned to Wrightson NMA Limited
  • Electric fence clip
    Patent number: 4792254
    Abstract: Unitary fence clip formed from a resilient wire having a fence standard or post engaging coil region and two arms extending therefrom. One of the arms from one end of the coil region includes at least a partly formed loop and the other of the arms from the other end of the coil includes a member engageable in the at least partly formed loop. The member engageable in the partly formed loop when so engaged defines a closed zone between the arms and the coil through which a fence wire or the like can be located.
    Type: Grant
    Filed: June 8, 1987
    Date of Patent: December 20, 1988
    Assignee: Wrightson NMA Limited
    Inventor: Conrad M. Platten
  • Apparatus for flushing ova from cows or mares
    Patent number: 4004588
    Abstract: Apparatus for use in flushing ova from cows or mares includes inlet and outlet tubes, which are preferably one within the other, a flexible conduit attached to the end of one of the tubes, an opening in the other tube at that end and a stylet to pass through the one tube and flexible conduit to stiffen the conduit during insertion through the cervix, the stylet being thereafter removable.
    Type: Grant
    Filed: August 25, 1975
    Date of Patent: January 25, 1977
    Assignee: Wrightson NMA Limited
    Inventor: Alan Moana Alexander
  • Electrical fence clip
    Patent number: D310955
    Type: Grant
    Filed: June 8, 1987
    Date of Patent: October 2, 1990
    Assignee: Wrightson NMA Limited
    Inventor: Conrad M. Platten