DK42375C
(en )
1930-06-10
Circuit Device for Amplifying Electrical Oscillations.
DK44558C
(en )
1931-09-07
Circuit device for automatic telephone systems.
DK41755C
(en )
1930-03-03
Device for Converting Electrical Oscillations to Mechanical.
DK39627C
(en )
1928-12-17
Device for Converting Electrical Oscillations to Mechanical Oscillations.
DK39360C
(en )
1928-10-15
Device for repeated switching on of automatic circuit breakers.
DK46810C
(en )
1933-01-23
Device for Amplification of Electrical Impulses.
DK45446C
(en )
1932-03-29
Device for amplification of photoelectric currents independent of the frequency.
DK37103C
(en )
1927-02-07
Amplifier system for high frequency electrical oscillations.
DK39887C
(en )
1929-03-11
Device for Dimming Electric Projectors.
DK37285C
(en )
1927-03-28
Baandmaal til Maaling af Svin.
DK37714C
(en )
1927-07-11
Procedure for Manufacturing Insulating Paper.
DK37535C
(en )
1927-05-30
Device for tuning the antenna circuit in receivers for electrical oscillations.
DK35834C
(en )
1926-04-06
Device for Fastening Electrical Switches.
DK37985C
(en )
1927-09-26
Procedure for Telephone Music Transfer.
DK46657C
(en )
1932-12-19
Circuit device for automatic Telephone Systems.
DK45359C
(en )
1932-03-07
Circuit Device for Automatic Telephone Systems.
ES98895A1
(en )
1926-10-01
An intersectograph device.
DK35401C
(en )
1925-12-21
Device for Measuring Heat Amounts.
DK35410C
(en )
1925-12-21
Device for Measuring Heat Amounts.
DK46219C
(en )
1932-09-19
High frequency signaling device.
DK39083C
(en )
1928-08-06
Variable Capacitor for Tuning Electrical Swing Circuits.
DK36485C
(en )
1926-09-06
Quick telegraph device.
DK37742C
(en )
1927-07-25
Electrical Alarm Device.
DK37488C
(en )
1927-05-16
Contact device for controlling circuits.
DK34346C
(en )
1925-03-30
Device for Measuring Heat Amounts.