WIEDER HENRY GEORGE has a total of 11 patent applications. Its first patent ever was published in 1908. It filed its patents most often in United Kingdom, United States and Canada. Its main competitors in its focus markets audio-visual technology and consumer goods are LANDON JOSEPH MARGULIES, ALEX FISCHER and POLYPHONWERKE AG.
# | Country | Total Patents | |
---|---|---|---|
#1 | United Kingdom | 3 | |
#2 | United States | 3 | |
#3 | Canada | 2 | |
#4 | Austria | 1 | |
#5 | Switzerland | 1 | |
#6 | Denmark | 1 |
# | Industry | |
---|---|---|
#1 | Audio-visual technology | |
#2 | Consumer goods |
# | Technology | |
---|---|---|
#1 | Special information storage | |
#2 | Sound-producing devices |
# | Name | Total Patents |
---|---|---|
#1 | Wieder Henry George | 10 |
#2 | Henry George Wieder | 1 |
Publication | Filing date | Title |
---|---|---|
CA152772A | Sound producing and recording mechanism | |
US1102839A | Sound reproducing and recording instrument. | |
GB191211797A | Improvements relating to Sound Reproducing and Recording Instruments. | |
CA146116A | Phonograph | |
US1011298A | Sound reproducing and recording instrument. | |
US1013247A | Sound reproducing and recording instrument. | |
GB190817753A | Improvements relating to Sound Reproducing and Recording Instruments. | |
GB190913746A | Improvements relating to Sound Reproducing and Recording Instruments. |