GB323707A
(en )
1930-01-09
Improvements in or relating to cycle-saddles
AU2155629A
(en )
1930-08-05
Improvements in or relating to soap
GB332372A
(en )
1930-07-24
Improvements in or relating to towels
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
AU2243629A
(en )
1930-03-18
Improvements in or relating to drill-steels
AU1893529A
(en )
1930-04-01
Improvevents in or relating to wringers
AU2404029A
(en )
1930-12-23
Improvements in or relating to furniture
AU2403929A
(en )
1930-12-23
Improvements in or relating to furniture
AU2311029A
(en )
1930-06-03
Improvements in or relating to time period devices
AU1781829A
(en )
1930-04-29
Improvements in or relating to concrete
AU1989929A
(en )
1929-10-22
Improvements in or relating to pistons
AU1783029A
(en )
1929-08-20
Improvements in or relating to teabags
AU2232129A
(en )
1930-10-21
Improvements in or relating to signalling
AU2231829A
(en )
1930-09-23
Improvements in or relating to signalling
AU1429328A
(en )
1929-07-02
Improvements in or relating to leers
AU2014029A
(en )
1930-03-25
Improvements in or relating to driers
AU2014229A
(en )
1930-06-03
Improvements in or relating to driers
AU1613528A
(en )
1929-10-22
Improvements in or relating to loudspeakers
AU1767929A
(en )
1930-01-14
Improvements in or relating to acoustic devices
AU1859729A
(en )
1929-09-03
Improvements in or relating to doorknobs
AU1890129A
(en )
1930-01-07
Improvements in or relating to pencils
AU2366729A
(en )
1930-07-08
Improvements in or relating to ultra-red-sensitive cells
AU1262728A
(en )
1929-04-09
Improvements in or relating to water closets