CH74201A
(en )
1917-02-01
Device for preventing the backflow of sewage in buildings
CH74311A
(en )
1917-02-16
Device for hanging pictures and the like
FR465367A
(en )
1914-04-15
Advanced shackle or carabiner
CH73661A
(en )
1916-11-01
Device for the production of concrete steps
CH72599A
(en )
1916-06-02
Device for the storm-proof fastening of interlocking tiles
CH71427A
(en )
1916-08-01
Device for making plaster ceilings
CH74730A
(en )
1917-04-02
Device for making ropes
CH73580A
(en )
1916-10-16
Equipment for the mechanical treatment of waste water in sewage treatment plants
DK21269C
(en )
1916-06-13
Basin for Self-irrigation system in Stable buildings.
FI5877A
(en )
1914-08-26
It is recommended that the gypsum field be used in the technical field
CH72453A
(en )
1916-05-16
Process for the preparation of 1.5-diamido-2.6-dimercaptoanthraquinone
CH72462A
(en )
1916-06-02
Device for the mechanical spreading of sand
CH74811A
(en )
1917-04-16
Device for producing brushwood waves and the like
DK23644C
(en )
1918-10-21
Procedure for the Construction and Drainage of Ships, in particular Concrete Ships.
CH73171A
(en )
1916-09-01
Device for the construction of walls by means of cladding
CH73510A
(en )
1916-10-16
Flat and arched feet
CH74777A
(en )
1917-04-02
Device for fastening pipes etc. to ceilings and walls
CH72071A
(en )
1916-03-16
Device for holding strips provided with inscriptions
AT71562B
(en )
1916-04-25
Process for draining damp masonry or the like.
CH72004A
(en )
1916-04-01
Building block glazed on both sides together with the process and device for its production
DK21422C
(en )
1916-08-07
Procedure for the production of chalk, putty and plaster.
AT82964B
(en )
1921-02-25
Method and device for the production of hop extracts.
CH57164A
(en )
1912-12-16
Device for the automatic issuing of tokens
AT57793B
(en )
1913-02-25
Method and device for the production of asbestos cement panels.
AT75521B
(en )
1919-02-25
Device for determining damage to the ship's wall from leaks