Inventor

BOLLMANN FRIEDRICH JOSEF

DE2 patents

Patents

2 patents

US9980381B2May 22, 2018

Method and apparatus for intrinsically safe circuit board arrangement for portable electronic devices

MOTOROLA SOLUTIONS INC2 citations66

US9450636B2Sep 20, 2016

Intrinsically safe audio power current circuit and device using same

MOTOROLA SOLUTIONS INC2 citations52