Springfield, Missouri
United States
14
2023-12-14
The entities that hold a legal rights for patent applications filed by inventor Butler Joel:
Joel Butler from Springfield, US has applied for patents for these inventions. The list has both pending applications and granted patents:
HYBRID CLOCKING SCHEME FOR TRANSMITTING PACKETIZED AUDIO AND POWER OVER A COMMON CONDUCTOR
#2 | 2018-01-11Digitally controlled AC protection and attenuation circuit
#3 | 2017-06-08Digital communication system for loudspeakers
#4 | 2017-04-13DECODER FOR A MODEL TRAIN AND METHOD OF OPERATING A DECODER FOR A MODEL TRAIN
#5 | 2016-02-25Digitally controlled AC protection and attenuation circuit
#6 | 2015-07-02Digital communication system for loudspeakers
#7 | 2015-02-05Performance and isolation improvements for digitally controlled AC attenuation and protection circuits
#8 | 2014-10-28Performance and isolation improvements for digitally controlled AC attenuation and protection circuits
#9 | 2014-03-06Digitally controlled AC protection and attenuation circuit
#10 | 2011-04-28Digital communication system for loudspeakers
#11 | 2011-04-21Digitally controlled AC protection and attenuation circuit
#12 | 2008-07-10Loudspeaker protection circuit
#13 | 2007-03-29Sigma-delta modulated power supply
#14 | 2006-08-01Sigma-delta modulated amplifier
673026 ⎘