AU1440820A
(en )
1920-02-18
Improvements in or relating to kinematograph apparatus
GB168071A
(en )
1922-10-12
Improvements in stereogrammetric apparatus
GB164584A
(en )
1921-06-16
Improvements in or relating to heliostatic apparatus
GB170749A
(en )
1921-11-03
Improvements in or relating to kinematograph apparatus
AU1907920A
(en )
1920-12-11
Improvements in or relating to kinematographic apparatus
AU1769220A
(en )
1921-09-13
Improvements in or relating to aero-motors
AU433921A
(en )
1922-12-12
Improvements in or relating to radio-telephonic apparatus
AU373326A
(en )
1920-09-09
Improvements in or relating to are-rupturing devices
AU1649320A
(en )
1921-04-05
Improvements in beer-cooling apparatus
AU1703120A
(en )
1920-11-29
Improvements relating to kinematograph apparatus
AU1544120A
(en )
1921-03-01
Improvements in or relating to acetylenegas generators
AU1179419A
(en )
1920-07-27
Improvements in machineguns
AU1451020A
(en )
1921-03-08
Improvements in carburetters
AU1695220A
(en )
1921-02-01
Improvements in flytraps
AU1721620A
(en )
1920-10-22
Improvements in or relating to leggings
AU1485120A
(en )
1920-08-03
Improvements in or relating to are generators
AU1397120A
(en )
1920-11-03
Improvements in and relating to fractionating apparatus
AU1093019A
(en )
1919-05-28
Improvements in or relating to takling machines
GB164404A
(en )
1921-06-02
Improvements in or relating to motion-picture apparatus
AU1769220B
(en )
1921-09-13
Improvements in or relating to aero-motors
GB160749A
(en )
1922-01-19
Improvements in or relating to cinematographic apparatus
AU1562020A
(en )
1920-07-12
Improvements in or relating to gyroscopic transmission apparatus
AU1914320A
(en )
1921-01-10
Improvements in or relating to rock-drills
AU478421A
(en )
1921-01-10
Improvements in or relating to rock-drills
AU27921A
(en )
1921-03-05
Improvements in or relating to cableways