AU1835729A
(en )
1929-09-10
Improvements in or relating to aerial systems
AU1613820A
(en )
1920-09-11
Improvements in or relating to telephone systems
AU1796820A
(en )
1921-05-24
Improvements in or relating to telephone systems
AU1832320A
(en )
1922-02-15
Improvements in or relating to telephone systems
AU373326A
(en )
1920-09-09
Improvements in or relating to are-rupturing devices
AU427772B2
(en )
1919-10-09
Improvements in weapon-training systems
AU1769220A
(en )
1921-09-13
Improvements in or relating to aero-motors
AU27921A
(en )
1921-03-05
Improvements in or relating to cableways
AU1654120A
(en )
1921-09-19
Improvements in and relating to signalling systems
CA196279A
(en )
1920-01-20
Airplane
CA202995A
(en )
1920-08-17
Airplane
CA205273A
(en )
1920-11-02
Airplane
CA203023A
(en )
1920-08-17
Airplane construction
AU1556720A
(en )
1920-05-17
Improvements in or relating to advertising devices
CA201094A
(en )
1920-06-15
Aerial navigation
CA203551A
(en )
1920-08-31
Aircraft
AU1601120A
(en )
1920-11-16
Improvements in aeroplanes
AU1666020A
(en )
1922-03-01
Improvements in aeroplanes
AU1601220A
(en )
1921-03-01
Improvements in aeroplanes
AU3589968A
(en )
1919-10-09
Improvements in weapon-training systems
AU1259519A
(en )
1920-06-04
Improvements in or relating to aerial ropeways
CA206756A
(en )
1920-12-21
Balanced phase-converting system
AU1680920A
(en )
1921-03-22
Improvements relating to refrigerating systems
AU314621A
(en )
1922-08-19
Improvements in or relating to telephone systems
AU297721A
(en )
1922-06-20
Improvements in or relating to telephone systems