DK50698C
(en )
1935-09-30
Electrodynamic sound reproducing apparatus.
DK54682C
(en )
1938-05-02
Apparatus for continuous writing and reproduction of photographic sound and tone streaks.
DK52126C
(en )
1936-09-07
Procedure and Apparatus for Sound Reproduction Using Multiple Sounders.
DK54431C
(en )
1938-03-07
Juice Preservation Procedure and Apparatus.
DK55822C
(en )
1939-02-13
Procedure and Apparatus for Recording Sound.
DK51820C
(en )
1936-06-29
Apparatus for reproducing sound.
DK53828C
(en )
1937-11-08
Method and Apparatus for Making Silent Tone Films.
DK51519C
(en )
1936-04-14
Method and Apparatus for Receiving Sheets.
DK52145C
(en )
1936-09-14
Procedure and Apparatus for Recording Oscillations.
DK51614C
(en )
1936-05-11
Sound reproducing apparatus.
DK54926C
(en )
1938-07-04
Foam Destruction Procedure and Apparatus.
DK56158C
(en )
1939-05-08
Clay Procedure and Apparatus.
DK48567C
(en )
1934-03-26
Apparatus for producing sound.
DK53798C
(en )
1937-11-01
Procedure and Apparatus for Constant Resistance in Electromagnetic Sound Recording Devices.
DK54882C
(en )
1938-06-20
Procedure for photographic recording of electrical oscillations, in particular sound recording, and circuit arrangement of associated apparatus.
DK67911C
(en )
1948-11-08
Method and apparatus for stereophonic sound recording or sound transmission and sound reproduction.
DK54148C
(en )
1938-01-10
Procedure and arrangement of apparatus for recording and reproducing sound.
DK54468C
(en )
1938-03-14
Apparatus for Receiving Sound Waves.
DK52747C
(en )
1937-02-22
Procedure and Apparatus for Closing Gaskets.
DK53845C
(en )
1937-11-08
Procedure for Distributing Tobacco Mass and Apparatus for Carrying Out the Procedure.
DK57655C
(en )
1940-06-03
Procedure and Apparatus for Receiving Television Broadcasts.
DK53448C
(en )
1937-08-16
Procedure and Apparatus for Laying Submarine Cables.
DK52125C
(en )
1936-09-07
Procedure and Apparatus for the Manufacture of Cigarettes.
DK52904C
(en )
1937-04-05
Membrane for Speakers and Apparatus for Manufacturing the same.
DK57818C
(en )
1940-07-22
Method and Apparatus for Volume Expansion during Audio Film Reproduction.