CH38198A
(en )
1907-09-15
Concrete molding to form open and closed channels
AT36282B
(en )
1909-02-25
Interlocking roof tiles and mold for its manufacture.
FR393772A
(en )
1909-01-06
Molding panel for concrete construction and others
FR373118A
(en )
1907-05-02
Improvements in brick making
CH39697A
(en )
1908-04-01
Form for the manufacture of concrete poles
CH40740A
(en )
1908-08-17
Mold frames for the production of building construction parts
CH42844A
(en )
1909-03-01
Stamping machine for the production of bodies from concrete and the like.
CH43581A
(en )
1909-05-17
System for ventilation of closed spaces
CH53174A
(en )
1912-02-01
Concrete mixer
FR371000A
(en )
1907-02-23
Cement bricks with holes
FR372202A
(en )
1907-03-28
Improvements in brick making
CH36889A
(en )
1907-03-15
Mold for the production of artificial building blocks
CH39999A
(en )
1908-05-16
Form element for the production of concrete rib beams
FR7281E
(en )
1907-06-19
Improvement in cannetières
FR363249A
(en )
1906-07-24
Comb
CH45783A
(en )
1909-12-16
Plant for the production of casein
CH38363A
(en )
1907-10-15
Device for the production of molds
CH37432A
(en )
1907-06-15
Brick extruder
FR377525A
(en )
1907-09-09
Mixed asphalt channels
CH38888A
(en )
1908-01-02
Hollow core for the production of hollow bodies and channels
FR396158A
(en )
1909-04-03
Tie shape
CH41088A
(en )
1908-09-16
Hollow brick
AT46696B
(en )
1911-02-25
Stamping machine for the production of molded pieces made of concrete or the like.
CH37170A
(en )
1907-05-15
Closure
CH41392A
(en )
1908-10-16
Concrete mixer