DK42621C
(en )
1930-07-21
Device for switching transformers, in particular for low frequency amplifiers.
DK46253C
(en )
1932-09-26
Device for Transformers for Low Frequency Amplifiers.
DK47475C
(en )
1933-06-26
Device for High Frequency Transformers.
DK36154C
(en )
1926-06-28
Low Frequency Transformer for Use with Termion Amplifiers.
CH138423A
(en )
1930-02-28
Step switch on multi-phase transformers.
DK38247C
(en )
1927-12-19
Device for Improving Radiation in Space, in particular by Shortwave Transmitters.
DK43235C
(en )
1930-10-27
Device for Voltage Filters for Radio Receivers.
DK40751C
(en )
1929-09-09
Eighth coil for radios.
DK40407C
(en )
1929-07-01
Electric Transformer for Radio Use.
DK41017C
(en )
1929-11-04
Device for electromagnetic speakers.
DK41301C
(en )
1929-12-16
Device for diverting transmissions.
ES108554A1
(en )
1928-09-01
Oils for transformers and switches.
DK43180C
(en )
1930-10-13
Device by Transformers.
DK45756C
(en )
1932-06-06
Core for electric inductors.
DK48000C
(en )
1933-11-06
Attenuator for Use at Very High Frequencies.
DK43532C
(en )
1930-12-22
Device by Refrigerators.
DK36575C
(en )
1926-09-20
Device at Tuning Forks.
DK35092C
(en )
1925-10-05
Device for Telephone Devices for Use in Device Energy Systems (Magnetic Systems).
DK41427C
(en )
1930-01-06
Device by Relaiser.
DK41576C
(en )
1930-02-03
Device for tie ties.
ES105828A1
(en )
1928-02-16
Improvements in radio frequency amplifiers.
DK42768C
(en )
1930-08-18
Device for so-called Vessels.
DK45488C
(en )
1932-04-04
Device for electric central switching systems for railways.
DK44965C
(en )
1931-12-07
Device for heating cabinets.
DK42162C
(en )
1930-05-05
Device at Spareure.