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1907-07-23
Machine for manufacturing or pressing cement and sand and the like into blocks of various shapes and sizes
GB190801707A
(en )
1909-01-25
Machine Stamping Concrete Blocks and the like
CA112129A
(en )
1908-05-26
Mould for cement blocks
CA104768A
(en )
1907-04-16
Mould for cement blocks
CA106792A
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1907-08-06
Mould for cement blocks
CA108880A
(en )
1907-12-03
Mould for cement blocks
CA109552A
(en )
1908-01-07
Cement mould
CA109228A
(en )
1907-12-17
Cement mould
CA109555A
(en )
1908-01-07
Cement mould
CA112122A
(en )
1908-05-26
Cement block mould
CA109505A
(en )
1907-12-31
Artificial stone manufacture
CA107377A
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1907-09-10
Mould for concrete blocks
CA106946A
(en )
1907-08-13
Mould for concrete blocks
GB190725969A
(en )
1908-10-15
Improvements in the Manufacture of Hydraulic Cement.
CA104092A
(en )
1907-03-12
Concrete brick making machine
GB190704947A
(en )
1907-07-11
Improvements in the Manufacture of Wood Paving Blocks.
CA104292A
(en )
1907-03-26
Cement block and brick making machine
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(en )
1909-11-09
Improvements in and in the manufacture of tiles, slabs or other finished products of hard material
CA106533A
(en )
1907-07-23
Machine for making cement blocks
CA120252A
(en )
1909-08-31
Concrete mould
CA111682A
(en )
1908-05-05
Brick mould
CA111706A
(en )
1908-05-05
Brick mould
CA109557A
(en )
1908-01-07
Brick mould
CA118861A
(en )
1909-06-15
Brick and block press
CA92672A
(en )
1905-04-18
Hydraulic press for moulding artificial stone and the like