CH13764A
(en )
1897-10-31
Apparatus for making artificial building blocks
CH14511A
(en )
1897-12-15
Apparatus for producing water gas
CH21837A
(en )
1901-10-15
Apparatus for making cement pipes
CH21604A
(en )
1901-08-31
Apparatus for making colored cement tiles
CH25013A
(en )
1903-03-15
Apparatus for making cigarettes
CH15136A
(en )
1898-04-15
Improved Apparatus for Making Carbides
CH18585A
(en )
1900-01-31
Apparatus for the production of Portland cement
DK1241C
(en )
1897-09-13
Procedure and Apparatus for the Production of Artificial Stone.
CH23848A
(en )
1902-09-30
Apparatus for the production of hollow bodies from cement, molding sand or the like
CH13964A
(en )
1897-09-15
Forming apparatus for the production of hollow glass bodies
CH15914A
(en )
1898-08-31
Apparatus for the production of acetylene
CH19766A
(en )
1900-09-15
Apparatus for making cigarettes
CH15664A
(en )
1898-07-15
Apparatus for making wallpaper with raised patterns
CH19885A
(en )
1900-10-15
Apparatus for the manufacture of calcium carbide
CH15258A
(en )
1898-07-15
Device for the production of artificial stones
CH339E
(en )
1901-05-31
Device for the production of artificial stones
CH20261A
(en )
1900-12-31
Apparatus for the production of compressed gas
CH12611A
(en )
1897-02-28
Apparatus for the automatic humidification of artificial stones
CH14063A
(en )
1897-10-15
Innovation in apparatus for the production of artificial ice
CH18286A
(en )
1899-11-30
Apparatus for the manufacture of corrugated pipes
CH14667A
(en )
1898-01-31
Apparatus for producing medical steam baths
CH17562A
(en )
1899-07-15
Mold for the production of artificial stones
CH15716A
(en )
1898-07-15
Improved apparatus for the production of shaped stones (paving bricks etc.
DK978C
(en )
1897-03-08
Method and Apparatus for the Production of Calcium Carbide.
CH18993A
(en )
1900-04-15
Apparatus for the production of inorganic dyes by means of electrolysis