CH78760A
(en )
1918-12-16
Electric radiator and method of making the same
CH80499A
(en )
1919-03-17
Electric radiator and process for its manufacture
CH80791A
(en )
1919-04-16
Structure and method of manufacturing the same
CH82936A
(en )
1919-11-01
Key and method of making the same
CH75421A
(en )
1917-07-16
Electric radiator and process for its manufacture
CH75854A
(en )
1917-10-01
Process for the manufacture of electric radiators
CH79747A
(en )
1919-01-02
Method of making hoes and similar devices
CH78053A
(en )
1918-06-17
Artificial building block and method of making the same
CH76294A
(en )
1917-11-16
Briquette and method of making the same
CH79987A
(en )
1919-02-01
Method and device for the electrical heating of rivets
CH78523A
(en )
1918-08-01
Brush and method of making it
CH67728A
(en )
1915-01-16
Method of manufacturing electric radiators
CH72922A
(en )
1916-07-17
Process for the manufacture of electric radiators
CH78640A
(en )
1918-08-16
Electric heating element and method of making the same
CH80944A
(en )
1919-09-16
Method of making cords
CH79491A
(en )
1918-12-02
Process for the production of copper oxide
CH81318A
(en )
1919-06-02
Process for the production of an acid-resistant and waterproof mass
CH77220A
(en )
1918-03-16
Method of making briquettes
CH72196A
(en )
1916-04-17
Hyperbolic wheel and method of making the same
CH80786A
(en )
1919-04-01
Method of making masonry
CH75776A
(en )
1917-09-17
Process for the production of electrical insulating fittings
CH78765A
(en )
1918-09-02
Method of making briquettes
CH70203A
(en )
1915-09-01
Method and device for the manufacture of flexible electrical cables
CH81525A
(en )
1919-11-01
Method and device for the manufacture of screw connections for electrodes for melting furnaces and the like
CH80143A
(en )
1919-02-01
Process for the production of electrical coils from oxide-insulated wires or strips of aluminum and its alloys