Patents Assigned to Whitco Pty. Ltd.
  • Handle assembly
    Patent number: 5409278
    Abstract: A handle assembly (5) is shown having a back plate (11) to which a knob (10) may be secured. A mounting plate (7) is fixed to the door (6). The plates (11, 7) have complementary fixing means (15, 16) to enable the plates to be secured to one another.
    Type: Grant
    Filed: June 29, 1993
    Date of Patent: April 25, 1995
    Assignee: Whitco Pty Ltd.
    Inventor: Mervyn G. Harcourt
  • Security screen door lock
    Patent number: 4286812
    Abstract: A mortise-type deadlock for hingedly-mounted doors and windows where a locking block engages the lock tongue in the extended position. A pivotally-mounted stop lever on the locking block engages an abutment in the lock body to prevent the locking block being shaken free of the lock tongue. The lock tongue may be reversible and may be removed from the lock body by operating a stop member operable from the exterior of the lock body.
    Type: Grant
    Filed: October 19, 1979
    Date of Patent: September 1, 1981
    Assignee: Whitco Pty. Ltd.
    Inventor: Otto G. G. Sprekeler