JM

Johann Mattfeld

LP Licentia Patent-Verwaltungs-Gmbh: 3 patents #40 of 547Top 8%
TG Telefunken Electronic Gmbh: 2 patents #25 of 135Top 20%
📍 Flein, DE: #14 of 59 inventorsTop 25%
Overall (All Time): #894,267 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
4879522 Integrated complementary push-pull B final stage 1989-11-07
4799027 Low-frequency amplifier Joachim Sinderhauf 1989-01-17
4453135 Amplifier circuit arrangement having two amplifiers with respectively different electrical properties Hans-Jurgen Maute 1984-06-05
4313221 Mixer/oscillator circuit 1982-01-26
4302719 Circuit for controlling a current source transistor 1981-11-24
4227156 Circuit for at least two frequencies 1980-10-07