CH217212A
(en )
1941-10-15
Earmuffs.
CH267007A
(en )
1950-02-28
Telephone set.
CH266210A
(en )
1950-01-15
Telecommunication cables.
CH240712A
(en )
1946-01-15
Power harrow.
DK60880C
(en )
1943-05-03
Procedure for the protection of wood against attack by pole crabs and pole worms.
NL59483C
(en )
1947-06-16
Sound equipment.
DK63915C
(en )
1945-09-03
Method of Treatment of Woodwork for Protection against Attacks of Pole Worms Pile Crabs and Similar Pests.
DK62364C
(en )
1944-06-19
Process for the preparation of self-curing polymers and blend polymers.
DK66023C
(en )
1947-12-08
Silky, Silo consisting of wooden planks.
DK63859C
(en )
1945-08-27
Process for the Preparation of Cyclopentanopolyhydrophenanthrene-20-one-21-oils and their esters.
DK61068C
(en )
1943-06-28
Procedure and Facilities for the Construction of Multi-storey Houses.
CH227680A
(en )
1943-06-30
Selective protection.
DK67308C
(en )
1948-07-26
The water closet.
DK64080C
(en )
1945-11-05
Sewage sand trap.
DK64231C
(en )
1946-01-14
Procedure and Plant for the Production of Vinegar.
DK63166C
(en )
1945-02-12
Method of Preparation of Acetyl-α-tocopherol.
GR8953B
(en )
1940-04-16
AGRICULTURAL SCAFFOLDING.
DK68353C
(en )
1949-01-10
Window with wooden frame and protection strip on the window for draining water.
DK58636C
(en )
1941-04-28
Procedure for the protection of iron surfaces against highly attacking water.
DK68888C
(en )
1949-04-11
Electroacoustic sounder with a grille for protection against flooding water.
ES7435Y
(en )
1946-03-16
Vault.
GR9920B
(en )
1942-07-15
WATER AGRICULTURE IMPROVEMENTS.
DK67485C
(en )
1948-08-23
Shutter construction in Ships.
DK58589C
(en )
1941-04-15
Shovel.
ES5693Y
(en )
1942-01-16
Permanent truss appliance.