1
Sigley Gordon Barrie: Navigation systems. Clayview, Sigley Gordon Barrie, T G AHEARN 79 Eagle Street Brisbane QLD 4000, July 31, 1986: WO/1986/004408

A navigation system including a sextant (11) having a telescope (12), a fixed horizon mirror (14), a movable index mirror (15) mounted on an index arm (16) and a stepping mirror (22) which is actuable on receipt of control pulses to cause pivotal movement of the index arm (16), the number of pulses ...


2
Stevens Alec Martin: Applicator disks. Stevens Alec Martin, T G AHEARN 79 Eagle Street Brisbane QLD 4000, September 12, 1985: WO/1985/003845

An applicator on a flexible support (21) for herbicides etc. formed with a rotating disk (13, 41) carrying a plurality of generally radial extending wicks (10, 48) fed with liquid from a central container (11, 49). The disk being housed in a rotatable cover (43) with a peripheral bumper (47) to enab ...


3
Greves Ronald Stanley: Pacing apparatus. Greves Ronald Stanley, T G AHEARN 79 Eagle Street Brisbane QLD 4000, September 12, 1985: WO/1985/003881

Pacing apparatus (10) primarily for use in swimming pools (11) comprising an elongated sealed and transparent housing (13) having located therein a plurality of lamps (21) which are illuminated in sequence from one end of the pool (11) to the other so that a swimmer may view the lamps (21) and maint ...


4
Walker Kevin John: Identification means. Walker Kevin John, T G AHEARN 79 Eagle Street Brisbane QLD 4000, October 23, 1986: WO/1986/006041

A position indicating device (10) including a capsule (11) of lighter-than-air gas, a balloon envelope (13) and a connection and release assembly (12) securing the balloon envelope (13) to the capsule (11). The connection and release assembly (12) includes an actuator (29) which may be rotated to ca ...



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