GUIDED RADIO CORP has a total of 17 patent applications. Its first patent ever was published in 1937. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets audio-visual technology, telecommunications and basic communication technologies are PACIFIC PLANTRONICS INC, VICTORIEN TARDIEU and ISHIBASHI TOSHIAKI.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 5 | |
#2 | Canada | 4 | |
#3 | United Kingdom | 4 | |
#4 | France | 3 | |
#5 | Switzerland | 1 |
# | Industry | |
---|---|---|
#1 | Audio-visual technology | |
#2 | Telecommunications | |
#3 | Basic communication technologies |
# | Technology | |
---|---|---|
#1 | Loudspeakers and microphones | |
#2 | Telephonic communication | |
#3 | Amplifiers |
# | Name | Total Patents |
---|---|---|
#1 | Sanial Arthur J | 2 |
#2 | Barnett Herbert | 2 |
#3 | Moore William C | 2 |
#4 | Nickerson Fred W | 2 |
#5 | Begun Semi J | 2 |
#6 | Dalrymple Henry C | 2 |
#7 | Durst Irving F | 1 |
#8 | Cook Wilbert H | 1 |
#9 | Langevin Carl C | 1 |
#10 | Radio Corporation Guided | 1 |
Publication | Filing date | Title |
---|---|---|
US2428147A | Electric megaphone | |
GB586531A | Improvement in amplifier circuit | |
US2358148A | Amplifier circuit | |
US2301459A | Electric megaphone | |
US2255517A | Talk-back communication system | |
GB523057A | Improvements in telephone and like electric signalling systems | |
GB493846A | Signaling systems such as public address systems or the like | |
GB476022A | Improvements in signalling systems for distributing speech or other sounds to listeners | |
US2166529A | Communication system | |
CA388222A | Public address system | |
CA418885A | Talk-back communication system | |
CA391967A | Signal transmitting system | |
CA409024A | Electric megaphone |