CH73664A
(en )
1916-11-01
Device for saving heating material
CH75008A
(en )
1917-05-16
Device for saving heating material
CH72071A
(en )
1916-03-16
Device for holding strips provided with inscriptions
CH74311A
(en )
1917-02-16
Device for hanging pictures and the like
CH72184A
(en )
1916-09-16
Device for forming loopholes
CH54746A
(en )
1912-06-17
Device for cooling or heating liquids
CH67577A
(en )
1914-12-16
Device for heating soles
CH66764A
(en )
1914-10-16
Device for taking material samples
CH68452A
(en )
1915-03-16
Device for water heating
CH72889A
(en )
1916-12-01
Device for monitoring due dates
CH68655A
(en )
1915-04-01
Device for making clothes wider and narrower
CH72599A
(en )
1916-06-02
Device for the storm-proof fastening of interlocking tiles
CH75652A
(en )
1918-02-01
Device for making butter
CH65680A
(en )
1914-07-01
Device for determining the heat units given off by radiators
CH70636A
(en )
1916-03-16
Device for hanging up drawings
AT63695B
(en )
1914-02-25
Device for drying all kinds of material.
CH77556A
(en )
1918-05-01
Device for illustrating the elementary arithmetic operations
CH82898A
(en )
1919-11-01
Device for the electrolysis of halogen alkalis
CH66434A
(en )
1914-09-01
Device for preparing emulsions
CH77641A
(en )
1918-05-16
Electric heating device for heating materials
CH73661A
(en )
1916-11-01
Device for the production of concrete steps
CH50683A
(en )
1911-06-16
Device for keeping food warm
CH64419A
(en )
1914-04-01
Device for heating rooms
CH63170A
(en )
1914-01-16
Device for the automatic taking of samples
CH56998A
(en )
1912-12-02
Device for the electrical heating of liquids