AU1641528A
(en )
1929-11-06
Improvements in and connected with water andother like heaters
AU2361029A
(en )
1930-10-07
Improvements in and connected with water heaters
AU1780429A
(en )
1929-09-10
Improvements in and connected with water heaters
GB317711A
(en )
1929-08-14
Improvements in and connected with switches
AU555927A
(en )
1928-01-24
Improvements in water heaters
AU1386028A
(en )
1929-02-26
Improvements in water heaters
AU1534228A
(en )
1929-08-20
Improvements in and relating to water heaters
AU1077027A
(en )
1928-12-18
Improvements in and relating to water heaters
AU1637428A
(en )
1929-11-06
Improvements in and connected with dumbwaiters
CA283963A
(en )
1928-10-09
Water heater and tank
CA280275A
(en )
1928-05-22
Air and water heater
AU1731828A
(en )
1929-08-06
Improvements in and connected with water tube boilers
AU1649628A
(en )
1929-11-12
Improvements in and connected with the filtration of water
CA279354A
(en )
1928-04-17
Electric range and water heater
AU2312729A
(en )
1930-09-02
Improvements in and relating to water heaters
AU1519328A
(en )
1929-05-28
Improvements in fluid heaters
AU1657728A
(en )
1929-08-27
Improvements in electric water heaters
AU1717128A
(en )
1929-12-17
Improvements in electric water heaters
AU1534528A
(en )
1929-08-27
Improvements in electric water heaters
AU1492828A
(en )
1929-11-19
Improvements in electric water heaters
AU1223228A
(en )
1929-02-26
Improvements in or relating to water heaters
AU1374628A
(en )
1929-03-26
Improvements in electrical water heaters
AU1498428A
(en )
1929-08-13
Improvements in electrical water heaters
AU1219428A
(en )
1929-01-29
Improvements in bath heaters
AU1774029A
(en )
1929-08-20
Improvements in and connected with water tube boilers