CH68898A
(en )
1915-05-17
Device for determining the cost of the time that is used to carry out a work
FR466605A
(en )
1914-05-19
scaffolding
FR439557A
(en )
1912-06-17
Measuring tool
CH63744A
(en )
1914-02-16
Device for the automatic setting of points
CH53524A
(en )
1912-03-01
Surface plaster cladding
CH57944A
(en )
1913-02-01
Hand wiper
CH47906A
(en )
1910-08-16
Device for laying floors
CH51383A
(en )
1911-09-01
Free-standing scaffolding for painting and construction work
FR18482E
(en )
1914-04-25
Scaffolding for building or cleaning ceilings
FR426906A
(en )
1911-07-21
scaffolding for building or cleaning ceilings
CH61468A
(en )
1913-09-16
Device for measuring fractions of a millimeter
AT71600B
(en )
1916-04-25
Device for connecting scaffolding timber.
CH54448A
(en )
1912-05-17
Scaffolding trestle with anchoring device
CH57705A
(en )
1913-02-01
Scaffolding trestle
CH66180A
(en )
1914-08-17
Device for indicating the movement of liquids in lines
CH67398A
(en )
1914-12-01
Device for cleaning, wanking, etc. of floors
CH63347A
(en )
1914-02-02
Device for attaching ties to the collar button
CH63293A
(en )
1914-01-16
Scaffolding
CH54192A
(en )
1912-05-01
Process for cleaning buildings
CH50793A
(en )
1911-07-01
Device for finishing bricks
FR467839A
(en )
1914-06-22
Laths for ceilings
FR18867E
(en )
1914-07-27
Laths for ceilings
AT98696B
(en )
1924-12-10
Method of consolidating the surface of concrete.
CH58007A
(en )
1913-02-17
Ruler
FR18524E
(en )
1914-05-13
Scaffolding for building or cleaning ceilings