GB294683A
(en )
1928-07-30
Improvements in or relating to hair-combs
AU544727A
(en )
1927-01-10
Improvements in or relating to electro-optical relays andthe like
AU608727A
(en )
1927-03-02
t Improvements in or relating to electro-optical relays andthe like
GB335536A
(en )
1930-09-24
Improvements in or relating to relays
GB295039A
(en )
1929-04-25
Improvements in or relating to thermo-magnetic relays
AU753327A
(en )
1928-04-17
Improvements in or relating to tents
AU942127A
(en )
1928-10-30
Improvements in or relating to derails
AU540827A
(en )
1927-08-02
Improvements in or relating to hurdles
AU823927A
(en )
1927-11-29
Improvements in or relating to light singnals
AU621027A
(en )
1927-03-05
Improvements in or relating to electirc transformers
AU713327A
(en )
1927-06-13
Improvements in or relating to thermostatically-operated relays or circuit-breakers
AU822927A
(en )
1928-05-01
Improvements in or relating to automatic thermo-switches
AU827927A
(en )
1927-11-02
Improvements in or relating to telephony
AU1676928A
(en )
1929-06-18
Improvements in or relating to conveyors
AU876427A
(en )
1927-12-13
Improvements in or relating to rulers
AU830827A
(en )
1927-12-31
Improvements in or relating to petrol-electric cranes
AU1086827A
(en )
1928-06-26
Improvements in or relating to bimetallic elements
AU640527A
(en )
1927-08-02
Improvements in or relating to umbrellas andthe like
AU587427A
(en )
1927-05-31
Improvements in or relating to brassieres
AU1015427A
(en )
1928-11-13
Improvements in or relating to signaling devices
AU618927A
(en )
1927-03-09
Improvements in or relating to windows
AU881827A
(en )
1928-08-28
Improvements in or relating to reels
AU1570328A
(en )
1929-10-01
Improvements in or relating to sound-projectors
AU1950229A
(en )
1929-10-01
Improvements in or relating to microphons
AU2222229A
(en )
1930-05-20
Improvements in or relating to totalizators