GEN PHONOGRAPH CORP has a total of 15 patent applications. Its first patent ever was published in 1919. It filed its patents most often in Canada and United States. Its main competitors in its focus markets audio-visual technology and control are MERROW BRIAN S, INFORMATION STORAGE SYSTEMS and EPSYLON RES & DEV COMPANY LTD.
# | Country | Total Patents | |
---|---|---|---|
#1 | Canada | 11 | |
#2 | United States | 4 |
# | Industry | |
---|---|---|
#1 | Audio-visual technology | |
#2 | Control |
# | Technology | |
---|---|---|
#1 | Special information storage | |
#2 | Systems controlling non-electric variables |
# | Name | Total Patents |
---|---|---|
#1 | Vasselli Anthony | 9 |
#2 | Anthony Vasselli | 3 |
#3 | Vasseli Anthony | 1 |
#4 | Anthony Vasseli | 1 |
#5 | Catucci Pliny | 1 |
Publication | Filing date | Title |
---|---|---|
US1483647A | Speed regulator for talking-machine motors | |
US1399171A | Turntable for talking-machines | |
US1468767A | Sound-reproducing apparatus | |
US1508036A | Sound-reproducing apparatus | |
CA207525A | Device for preventing reverse movements of rotating objects | |
CA199862A | Level winder | |
CA197796A | Spring motor | |
CA196929A | Fastener for phonographs | |
CA196659A | Fastener | |
CA216475A | Apparatus for bending tubes | |
CA220085A | Spring motor | |
CA212193A | Spring retainer | |
CA197342A | Tube bending apparatus | |
CA205151A | Sound box adapter | |
CA209093A | Spring motor |