FR841340A
(en )
1939-05-17
Improvements to the means for watering plants, in particular potted plants
FR836867A
(en )
1939-01-27
Device for extracting the roots of teeth
FR830965A
(en )
1938-08-16
Improvements in processes to influence the growth of plants of all kinds
FR825722A
(en )
1938-03-11
Device preventing the nuts from loosening
GB526736A
(en )
1940-09-24
Improvements in purifiers for liquids
GB537498A
(en )
1941-06-25
Improvements in or relating to the filtration of liquids
SU68861A2
(en )
1946-11-30
Plan filter
GB533259A
(en )
1941-02-10
Improvements in or relating to muzzles for animals
FR837873A
(en )
1939-02-22
Improvements made to breeding or acclimatization devices, in particular cradles
GB528251A
(en )
1940-10-25
Improvements in or relating to plant pots
CH208715A
(en )
1940-02-29
Device to prevent dirty water from being sucked back from hose lines into the clean water line.
CH210557A
(en )
1940-07-31
Device for making briquettes from waste paper.
GB533553A
(en )
1941-02-14
Improvements in and relating to devices for extracting weeds from lawns, fields and the like
CH203073A
(en )
1939-02-28
Hose squeezer for liquid manure distribution systems.
FR851732A
(en )
1940-01-13
Device for extracting cultivation pots from the ground
GB532003A
(en )
1941-01-15
Improved plant for the coagulation and sedimentation of water
CH183606A
(en )
1936-04-30
Device to facilitate the transplanting of all kinds of plants.
DK54815C
(en )
1938-05-30
Liquid treatment plant.
CH201543A
(en )
1938-12-15
Plant container.
CH195574A
(en )
1938-02-15
Container for growing plants.
FR835940A
(en )
1939-01-05
Nozzle to activate the chimney draft
FR836270A
(en )
1939-01-13
Further training in devices for the treatment of fractures, etc.
FR831783A
(en )
1938-09-14
Device enabling the containers to be drawn off, while preventing filling
FR836123A
(en )
1939-01-11
Further training in liquid meter-dispensers, particularly hydrocarbons
CH208902A
(en )
1940-03-15
Spray device for the treatment of plants.