DK19606C
(en )
1914-12-14
Apparatus for reproducing and transmitting sound.
DK18548C
(en )
1914-03-09
Apparatus for recording and recording sound.
DK18510C
(en )
1914-03-02
Apparatus for recording, reproducing and recording sound.
DK20904C
(en )
1916-01-17
Method and Apparatus for Transmitting Sound Waves.
DK23107C
(en )
1918-05-21
Apparatus for Phonographic Recording and Reproduction of Telephone Transmitted Messages.
DK15810C
(en )
1912-04-01
Quick Telegraph and Photographic Apparatus for Reproducing the Sent Text.
DK23842C
(en )
1918-12-09
Method and Apparatus for the Manufacture of Peat Powder.
DK15808C
(en )
1912-04-01
Apparatus for automatic and uninterrupted Counting of Coins and the like.
DK17791C
(en )
1913-09-08
Procedure for recording and reproducing tones.
ES61252A1
(en )
1915-12-16
Apparatus for the phonographic reception and reproduction of words transmitted by telephone.
DK20513C
(en )
1915-08-30
Method and Apparatus for Leaving Leather Surfaces.
DK16942C
(en )
1913-02-03
Apparatus for recording pieces of music on paper tapes and the like.
DK19266C
(en )
1914-09-21
Apparatus for Treatment of Sewage and the like.
DK15120C
(en )
1911-09-25
Apparatus for Checking Payments and the like.
DK18385C
(en )
1914-01-19
Apparatus for apparatus for mechanical reproduction of music and the like.
DK17342C
(en )
1913-05-26
Procedure for Starting Engines and Related Apparatus.
DK23140C
(en )
1918-06-10
Device for amplification and reproduction of sound waves.
DK16867C
(en )
1913-01-20
Procedure for the production of sound-reproducing plates, tapes and the like, and methods and apparatus for reproducing sound by means of such sound-plates.
DK19347C
(en )
1914-10-12
Signal Apparatus for Covering Stations and Block Posts.
DK14042C
(en )
1910-12-27
Apparatus for Pasteurization of Beer and the like.
DK20386C
(en )
1915-07-26
Apparatus for Receiving Underwater Audio Signals.
DK15277C
(en )
1911-11-13
Apparatus for making confectionery and the like.
DK18715C
(en )
1914-04-20
Apparatus for telephone ordering of taxis, city couriers and the like.
DK12892C
(en )
1910-01-24
Method and Apparatus for the production of gramophone records, phonograph rollers and similar sound reproducers.
DK20923C
(en )
1916-01-17
Method and Apparatus for Making Salt Salt.