AU6131A
(en )
1931-12-17
Improvements in or relating to box-opening implements
AU304131A
(en )
1932-03-24
Improvements in or relating to paste-pots
AU3831A
(en )
1931-06-04
Improvements in or relating to pulverisers
AU8631A
(en )
1931-12-24
Improvements in or relating to horseshoes
AU131331A
(en )
1931-06-25
Improvements in or relating to tyre-supporting constructions
AU341431A
(en )
1932-08-18
Improvements in or relating to kettles
AU490331A
(en )
1932-10-13
Improvements in or relating to wheels
AU113931A
(en )
1932-03-17
Improvements in or relating to welding
AU139531A
(en )
1932-06-09
Improvements in agricultural implements
AU254131A
(en )
1932-03-24
Improvements in or relating to body brushes
AU502331A
(en )
1932-05-05
Improvements in or relating to vanity cases
AU245331A
(en )
1931-11-19
Improvements in or relating to valves
AU119631A
(en )
1931-12-03
Improvements in or relating to condensers
AU147631A
(en )
1931-07-16
Improvements in or relating to microphones
AU145931A
(en )
1931-07-30
Improvements in or relating to aerials
AU28931A
(en )
1932-01-28
Improvements in or relating to aerials
AU547831A
(en )
1933-01-06
Improvements in or relating to aerials
AU98531A
(en )
1932-03-10
Improvements in or relating to loudspeakers
AU207331A
(en )
1932-08-18
Improvements in or relating to windows
AU117931A
(en )
1931-12-03
Improvements in or relating to cameras
AU294831A
(en )
1932-08-18
Improvements in or relating to television
AU69431A
(en )
1931-10-22
Improvements in or relating to trusses
AU497731A
(en )
1932-11-24
Improvements in harrows
AU2898730A
(en )
1931-07-30
Improvements in or relating to hub structures
AU406631A
(en )
1932-04-14
Improvements in or relating to photocells