CH79698A
(en )
1918-12-16
Method of making painting on glass
CH79697A
(en )
1918-12-16
Method of making painting on glass
CH81177A
(en )
1919-05-16
Method of making decorations on objects of various kinds
CH72863A
(en )
1916-07-17
Process for the production of paintings on glass
CH80786A
(en )
1919-04-01
Method of making masonry
CH78530A
(en )
1918-08-01
Method of making aerial embroidery
CH80236A
(en )
1919-02-17
Method of making glue
CH79146A
(en )
1918-10-01
Method of making briquettes
CH80944A
(en )
1919-09-16
Method of making cords
CH71298A
(en )
1915-12-16
Process for making stained glass
CH78104A
(en )
1918-10-16
Process for the production of mercury oxide
CH80422A
(en )
1919-03-01
Process for the production of metal bodies
CH76168A
(en )
1917-11-01
Process for the production of cold-laid asphalt
CH80239A
(en )
1919-02-17
Process for the production of ebonite
CH78765A
(en )
1918-09-02
Method of making briquettes
CH79491A
(en )
1918-12-02
Process for the production of copper oxide
CH76586A
(en )
1918-01-16
Process for the production of cork boards
CH80251A
(en )
1919-02-17
Process for the production of concave mirror surfaces
CH77220A
(en )
1918-03-16
Method of making briquettes
CH80004A
(en )
1919-06-02
Method for regulating centrifugal compressors for stability of the conveyance
AT96138B
(en )
1924-02-25
Process for the production of fuel.
AT87474B
(en )
1922-02-25
Process for the production of mercury oxide.
CH81325A
(en )
1919-06-02
Process for the production of light, elastic objects for play purposes
CH78926A
(en )
1919-02-01
Process for the production of door hinge parts
CH77097A
(en )
1918-03-01
Method of saving fuel