CH68740A
(en )
1915-04-16
Electric gas lamp and process for its manufacture
CH46765A
(en )
1910-04-16
Metal filament brackets for electric light bulbs and method of making the same
CH70609A
(en )
1915-10-01
Welding sheet and method of making the same
CH58212A
(en )
1913-03-01
Oven and method of making the same
CH72196A
(en )
1916-04-17
Hyperbolic wheel and method of making the same
CH78640A
(en )
1918-08-16
Electric heating element and method of making the same
CH65625A
(en )
1914-07-01
Method and device for manufacturing electric incandescent lamps
CH68168A
(en )
1915-02-16
Cross-wound bobbin and method of making the same
CH70203A
(en )
1915-09-01
Method and device for the manufacture of flexible electrical cables
CH72805A
(en )
1916-07-01
Firelighter and method of making the same
CH75814A
(en )
1917-09-17
Mast and method of making the same
CH72042A
(en )
1916-04-01
Tape and method of making the same
CH71687A
(en )
1916-02-01
Heating element and method of making the same
CH68557A
(en )
1915-04-01
Method and device for the production of moment X-rays
CH76294A
(en )
1917-11-16
Briquette and method of making the same
CH70341A
(en )
1915-09-16
Electric gas lamp
CH68402A
(en )
1915-03-16
Electric gas lamp
CH80466A
(en )
1919-03-01
Process for the manufacture of tungsten incandescent lamps
CH76254A
(en )
1917-11-16
Method of attaching fittings, supports, clips and the like to porcelain insulators
CH53490A
(en )
1912-03-01
Method and device for the production of insulating pipes
AT75563B
(en )
1919-02-25
Process for the preparation of monoarylaminoquinones and diaryldiaminoquinones.
CH72296A
(en )
1916-05-01
Nail and method of making the same
CH57344A
(en )
1913-01-02
Process for the production of gas and bubble-free metal blocks
CH65709A
(en )
1914-07-01
Heald and method of making the same
CH58203A
(en )
1913-03-01
Earmuffs and methods of making the same