CH36369A
(en )
1906-12-31
Two-part mold for the manufacture of cement pipes
CH38363A
(en )
1907-10-15
Device for the production of molds
CH40740A
(en )
1908-08-17
Mold frames for the production of building construction parts
CH39693A
(en )
1908-04-01
Shaped stone for the production of reinforced ceilings
CH30422A
(en )
1904-12-15
Forming machine for the production of building blocks
CH35183A
(en )
1906-07-31
Artificial building block
AT23590B
(en )
1906-03-26
Process for the production of artificial stones.
CH34720A
(en )
1906-05-31
Device for the production of artificial cement stones
CH44045A
(en )
1909-07-01
Step bridge for the production of concrete ceilings with cavities of adjustable height
CH35080A
(en )
1906-06-30
Device for the production of artificial threads
CH37434A
(en )
1907-06-15
Artificial building block
CH30726A
(en )
1905-01-31
Facility for the production of mosaic sausage
CH45438A
(en )
1909-11-16
Device for the production of multicolored artificial stone masses
CH42842A
(en )
1909-03-01
Process for the production of seamless tramways
CH40980A
(en )
1908-09-01
Process for the production of artificial leather
AT46697B
(en )
1911-02-25
Hand molding machine for the production of bricks.
AT46647B
(en )
1911-02-25
Process for the production of cementitious binders.
CH45967A
(en )
1910-01-17
Process for the production of tetrabromocatechol bismuth
CH49534A
(en )
1911-02-16
Process for the production of porous building blocks
CH39999A
(en )
1908-05-16
Form element for the production of concrete rib beams
CH37433A
(en )
1907-06-15
Novel artificial stone slab
CH39697A
(en )
1908-04-01
Form for the manufacture of concrete poles
CH35436A
(en )
1906-08-31
Facility for the production of artificial silk
CH41583A
(en )
1908-11-02
Process for the continuous production of calcium carbide
CH35474A
(en )
1906-08-31
Machine for the production of composite blocks