CH30521A
(en )
1904-12-31
Aid for the production of postcards with the photographic reproduction of the buyers of the same
CH30520A
(en )
1904-12-31
Aid for the production of postcards with the photographic reproduction of the buyers of the same
CH34765A
(en )
1906-07-15
Device for the production of photographic images with any background
CH30726A
(en )
1905-01-31
Facility for the production of mosaic sausage
CH45325A
(en )
1909-11-16
Process for the production of photographic recording material
AT23151B
(en )
1906-02-26
Process for the production of non-flammable celluloid.
CH35106A
(en )
1906-07-15
Copier for the production of colored pictures after the fading process
CH30078A
(en )
1904-11-15
To hold the items required for the production of blueprint postcards
CH40274A
(en )
1908-06-16
Process for the production of potassium persulfate
CH43786A
(en )
1909-06-16
Plate for the production of printing forms
CH50097A
(en )
1911-04-17
Process for the production of alloys
CH47273A
(en )
1910-06-16
Device for the photographic reproduction of negative blueprints for the production of reduced printing plates
CH48368A
(en )
1910-10-01
Process for the production of autotypical negatives
AT25350B
(en )
1906-08-10
Process for the production of autotypical negatives.
CH25757A
(en )
1903-06-30
Device for the production of marbling
CH47012A
(en )
1910-05-16
Device for the production of rubber sheets
CH32596A
(en )
1905-08-15
Tool for the production of globoid screws
CH32913A
(en )
1905-09-30
Mold for making altar candles
CH41586A
(en )
1908-11-02
Apparatus for the manufacture of calcium carbide
CH73198A
(en )
1916-09-01
Process for the production of light, tough wood pulp
CH71160A
(en )
1915-12-01
Press for the production of paper briquettes
CH48741A
(en )
1910-12-01
Device for the production of galvanizing
CH32245A
(en )
1905-06-30
Facility for the production of animal feed
CH38806A
(en )
1907-12-15
Device for the production of glue and gelatin
CH40083A
(en )
1908-06-01
Insert for the production of tight pipe connections