DK30049C
(en )
1922-08-14
Apparatus for transmitting radio signals.
DK29921C
(en )
1922-07-10
Interference-Free Device Receiving Audio Signals.
DK27646C
(en )
1921-05-23
Apparatus for the manufacture of fertilizers.
DK22475C
(en )
1917-09-24
Apparatus for Laying Potatoes.
DK31589C
(en )
1923-04-23
Method and Apparatus for Simultaneously Sending and Receiving Wireless Signals.
DK22455C
(en )
1917-09-17
Apparatus for placing mouthpieces on cigarettes.
DK22002C
(en )
1917-03-19
Apparatus for Preventing the Transmission of Infection by Telephoning.
DK20387C
(en )
1915-07-26
Apparatus for the automatic transmission of telegraph signals.
DK24782C
(en )
1919-07-21
Apparatus for lowering lifeboats.
DK30721C
(en )
1922-11-20
Receiver for Radio Signals.
DK21807C
(en )
1917-01-08
Apparatus for the manufacture of emulsions.
DK18719C
(en )
1914-04-20
Apparatus for Receiving Radio Telegraphic Signals.
FR506980A
(en )
1920-09-02
Radio receiver system
DK22270C
(en )
1917-07-16
Transmitter for Radio Telegraph Stations.
DK24264C
(en )
1919-03-24
Apparatus for opening canned glass.
DK25293C
(en )
1919-12-08
Apparatus for opening canned glass.
DK26850C
(en )
1920-11-01
Apparatus for Ejecting Deepwater Mines.
ES66067A1
(en )
1918-02-01
Signal apparatus for submarine use.
DK22415C
(en )
1917-09-03
Apparatus for Measuring Liquids.
DK26073C
(en )
1920-06-07
Apparatus for tanning hides.
DK23829C
(en )
1918-12-02
Apparatus for debarking willow twigs.
DK22262C
(en )
1917-07-16
Apparatus for measuring feed.
CH90088A
(en )
1921-08-01
Electrolytic apparatus.
DK22047C
(en )
1917-04-02
Apparatus for transmitting electrical impulses through a mains line.
DK22008C
(en )
1917-03-19
Procedure for Transmitting Signals Using High-Speed Sound Waves.