Inventor

STEEMAN MICHAEL G M

NL2 patents

Patents

2 patents

US7286680B2Oct 23, 2007

Cylindrical microphone having an electret assembly in the end cover

SONION NEDERLAND BV101 citations95

US7062058B2Jun 13, 2006

Cylindrical microphone having an electret assembly in the end cover

SONION NEDERLAND BV83 citations95