CH18782A
(en )
1900-03-15
Machine for stamping metal plates
FR427808A
(en )
1911-08-14
Machine for embossing block letters in metal plates
CH16690A
(en )
1899-01-15
Advanced chisel for metal forming
CH20190A
(en )
1900-12-15
Advanced machine for the production of crosslinked metal sheets
FR432841A
(en )
1911-12-16
Process for coating iron sheets, plates and other metal surfaces with aluminum
FR465482A
(en )
1914-04-17
Machine for producing metal or metal alloys in ribbon form
FR414108A
(en )
1910-08-26
Process for improving metal alloys
CH15292A
(en )
1898-05-15
Chisel for turning metal
FR353976A
(en )
1905-09-25
Machine for making printing plates
FR344194A
(en )
1904-10-26
Automatic machines for the transport of metal plates emerging from tinning tanks
FR361411A
(en )
1906-06-22
Steel alloys for armor plates
CH20464A
(en )
1901-01-31
Cast iron casting machine
FR514311A
(en )
1921-03-08
Process for casting steel tools for working iron and other hard materials
FR432258A
(en )
1911-12-02
Process for forming lattices using split metal plates, flat bars or the like
FR424062A
(en )
1911-05-04
Machine for working sheet iron or steel plates or other sheet metals
CA64441A
(en )
1899-10-18
Iron castings
FR462365A
(en )
1914-01-26
Machine for printing on metal
CA79334A
(en )
1903-02-10
Metal casting machine
FR472009A
(en )
1914-11-19
Improvements in apparatus for casting metals into steel molds or dies
FR507605A
(en )
1920-09-20
Improvements to devices for removing defective surfaces from iron or steel bars
FR453656A
(en )
1913-06-13
Process for letterpress printing of metals flat or in relief without transfer
FR332988A
(en )
1903-11-12
Improvements in the manufacture of dies for casting block letters
CA69759A
(en )
1900-12-26
Metal casting process
CH24682A
(en )
1903-02-15
Industry for the manufacture of electric accumulator plates
CH48713A
(en )
1910-12-01
Machine for casting block letters