DEP0055623DA
(en )
1950-10-05
Cup-shaped or flat electrodes for discharge tubes, in particular fluorescent lamps
Austin et al.
1923
THE TERNARY SYSTEM COPPER-ALUMINIUM-NICKEL
DE875976C
(en )
1953-03-26
Zinc sulfide fluorescent paint
CH212929A
(en )
1940-12-31
Device with discharge vessel, in particular electron tube.
CH211550A
(en )
1940-09-30
Electromagnetic switch, in particular for installations on vehicles.
Clark
1936
Toledo, Ohio, during the Civil War
DE1606255U
(en )
1950-05-11
RAT CATCHER.
DEP0010425DA
(en )
1950-11-30
Coupling.
DEL0000917MA
(en )
1950-11-09
Wooden panel
DE1502985U
(en )
1941-05-05
DEK0004919MA
(en )
1951-03-15
Vulcanizing press
DEK0002802MA
(en )
1950-09-28
Air pump for bicycles
DE1647425U
(en )
1952-12-04
PRESERVING GLASS KEY.
DEP0007170DA
(en )
1950-11-23
Cell lock, in particular for charging gas generators.
DE1617626U
(en )
1950-12-14
THREAD LETTER OPENER.
DEP0032621DA
(en )
1950-10-05
Float-controlled inlet valve for waste cistern
Saito
1938
Micropus p. pacificus observed in Chiba City (II)
DEM0002194MA
(en )
1950-09-28
Storage for rods, especially for stair runners o. The like.
IE15073L
(en )
1937-12-11
Indicating counters for petrol pumps, etc.
DE1608164U
(en )
1950-06-15
ARMBLADE TO WEAR.
DEP0049178DA
(en )
1950-11-16
Device for changing nose shapes
FR800638A
(en )
1936-07-15
Installation for the remote transport of letters, packages, objects, etc.
FR47084E
(en )
1936-12-14
Installation for the remote transport of letters, packages, objects, etc.
DE1607630U
(en )
1950-06-07
TWIST COIL.
DEP0024949DA
(en )
1950-10-19
Fitting screw for fuses according to the D system