MACKAY RADIO & TELEGRAPH COMPA has a total of 11 patent applications. Its first patent ever was published in 1935. It filed its patents most often in United States. Its main competitors in its focus markets telecommunications, digital networks and basic communication technologies are Ace tech corp, KUKDONG TELECOMM CO LTD and GOEBEL UHLAND.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 11 |
# | Industry | |
---|---|---|
#1 | Telecommunications | |
#2 | Digital networks | |
#3 | Basic communication technologies | |
#4 | Measurement |
# | Technology | |
---|---|---|
#1 | Antennas | |
#2 | Waveguides | |
#3 | Radio navigation | |
#4 | Amplifiers | |
#5 | Digital information transmission |
# | Name | Total Patents |
---|---|---|
#1 | Andrew Alford | 8 |
#2 | Haraden Pratt | 1 |
#3 | Royden George T | 1 |
#4 | Christopher Buff | 1 |
Publication | Filing date | Title |
---|---|---|
US3048658A | Twinplex telegraph transmission | |
US2223160A | Means for producing an effective short circuit | |
US2259510A | Coupling arrangement for high frequency transmission systems | |
US2177416A | Short wave antenna system | |
US2159649A | Circuit arrangement for reducing transients | |
US2170626A | Aperiodic transformer | |
US2226687A | Unidirectional v-type antenna system | |
US2147810A | Method and means for determining distance by means of radiated waves | |
US2207039A | Multifrequency directive antenna array | |
US2167774A | Multiple upsilon antenna suspension | |
US2159637A | Antenna system |