Daryl W. Torgrimson

Follow

Person

Waterloo, CA

People

Patents Grantslast 30 patents

Information Patent Grant
Printed circuit board with an acoustic channel for a microphone
- Patent number 9,544,678
- Issue date Jan 10, 2017
- BlackBerry Limited
- Christian Lorenz
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
PRINTED CIRCUIT BOARD WITH AN ACOUSTIC CHANNEL FOR A MICROPHONE
- Publication number 20120177229
- Publication date Jul 12, 2012
- Research in Motion Limited
- Christian Lorenz
- H04 - ELECTRIC COMMUNICATION TECHNIQUE