CH54978A
(en )
1912-07-01
Apparatus for finishing cement pipe ends
CH59408A
(en )
1913-05-16
Apparatus for quick curing
CH61696A
(en )
1913-10-16
Apparatus for the electrolysis of water
CH74314A
(en )
1917-02-16
Apparatus for cleaning pipelines
DK20158C
(en )
1915-05-10
Apparatus for the manufacture of cement piles.
CH51919A
(en )
1911-10-02
Apparatus for making incisions in chestnuts
CH63377A
(en )
1914-01-16
Apparatus for marking out curves
CH73596A
(en )
1916-10-16
Apparatus for determining the specific gravity of liquids
DK21499C
(en )
1916-09-11
Apparatus for the Production of Milk-Like Emulsions.
CH61723A
(en )
1913-10-16
Apparatus for playing string instruments
CH68674A
(en )
1915-04-01
Apparatus for retouching
CH56790A
(en )
1912-11-16
Apparatus for cleaning materials
CH80056A
(en )
1919-02-01
Apparatus for recording curves
CH66614A
(en )
1914-09-16
Apparatus for controlling consumption
CH49735A
(en )
1911-03-16
Apparatus for cleaning floors
DK21158C
(en )
1916-04-10
Clay Slurry Apparatus.
DK27521C
(en )
1921-05-02
Apparatus for the Study of Gases.
CH50793A
(en )
1911-07-01
Device for finishing bricks
CH56134A
(en )
1913-01-02
Apparatus for trying on clothes
DK16508C
(en )
1912-10-07
Apparatus for Casting Articles of Cement and the like.
DK16025C
(en )
1912-06-03
Apparatus for making blocks of cement or the like with several channels.
DK23847C
(en )
1918-12-09
Apparatus for the production of paper yarn.
CH71161A
(en )
1915-12-01
Process for the production of portland cement
DK21013C
(en )
1916-02-14
Apparatus for Flaaning.
DK16575C
(en )
1912-10-28
Apparatus for the manufacture of wood.