DK24408C
(en )
1919-04-14
Dial-up distribution system for Telephone exchanges.
DK32848C
(en )
1924-02-11
Telephone exchange system.
DK34938C
(en )
1925-08-31
Telephone system.
DK31791C
(en )
1923-06-04
Device by Telephone System.
DK23207C
(en )
1918-07-01
Selector rows for automatic Telephone systems.
DK33212C
(en )
1924-05-12
Telephone system with Group selector setting.
DK20370C
(en )
1915-07-19
Telephone exchange system.
DK22830C
(en )
1918-02-18
Connector for Radiators.
DK33446C
(en )
1924-07-21
Cordless Telephone System.
DK24357C
(en )
1919-04-07
Procedure for Manufacturing Matrices.
DK16820C
(en )
1912-12-23
Telephone system selector.
DK19678C
(en )
1915-01-04
Telephone system.
DK21446C
(en )
1916-08-28
Clothing for Køkkenvadske.
AT82832B
(en )
1921-02-25
Telephone switching system.
DK23108C
(en )
1918-05-21
Reinforcement device for normal Telephone Stations.
DK21510C
(en )
1916-09-18
Telephone exchange system.
DK21003C
(en )
1916-02-14
Self-acting Irrigation System for Stable Buildings.
GB109815A
(en )
1918-09-19
Telephone Exchange Systems.
GB110354A
(en )
1918-07-25
Telephone Exchange Systems.
DK17069C
(en )
1913-03-17
Switching device for Telephone exchanges.
DK21526C
(en )
1916-09-18
Backwear for Braces.
DK19507C
(en )
1914-11-23
Distribution system for Telephone cables.
DK21302C
(en )
1916-06-19
Mold for Concrete Buildings.
DK22211C
(en )
1917-06-25
Telephone exchange system for distribution of calls.
AT80094B
(en )
1920-02-25
Semi-automatic telephone system. Semi-automatic telephone system.