DK50475C
(en )
1935-07-29
Signal device for Road crossings at single- and multi-track Lanes.
DK49462C
(en )
1934-10-29
Signal device for Road crossings at single- and double-track Lanes.
FR830318A
(en )
1938-07-27
Device for paving roads
FR734431A
(en )
1932-10-21
Snow plows for clearing roads
CH223447A
(en )
1942-09-15
Device for the order of the road traffic.
FR759574A
(en )
1934-02-05
Road improvements
FR784367A
(en )
1935-07-22
Safety device by reflector or reflective cabochon for cyclists, pedestrians and animals traveling on the roads
FR763917A
(en )
1934-05-09
Improvements to devices for marking roads or lanes
CH203083A
(en )
1939-02-28
Marking and signaling border for roads and streets.
CH160115A
(en )
1933-02-28
Plate for street gutters.
DK48239C
(en )
1934-01-02
Signal device for Intersections, especially on single-track Railways.
AT139164B
(en )
1934-10-25
Automatic crossing signal device.
DK52865C
(en )
1937-03-22
Marking device for bicycle lanes.
ES125833A3
(en )
1932-04-01
A street signpost and announcer.
FI14593A
(en )
1932-09-09
Winter road
FR800361A
(en )
1936-07-03
Device for repairing tunnels on railways, roads, etc.
FR729777A
(en )
1932-07-30
Road sign device
DK54645C
(en )
1938-04-25
Snow Removal Machine from Railway Lines and Roads.
DK50103C
(en )
1935-04-08
Device for securing railway crossings.
DK50104C
(en )
1935-04-08
Device for securing railway crossings.
FR42287E
(en )
1933-06-21
Reflector device for road traffic
FR749841A
(en )
1933-07-29
Road map for motorists
CH159024A
(en )
1932-12-15
Signaling device at level crossings.
FR748233A
(en )
1933-06-30
Device for crossing checks
DK48166C
(en )
1933-12-18
Device at a warning sign for open lane crossings.