Assignee

MARTIKAINEN ILPO

FI3 patents

Top patents by PatentIndex Score

US8150085B2Apr 3, 2012

Reflex loudspeaker structure

MARTIKAINEN ILPO5 citations60

US9020178B2Apr 28, 2015

Drive unit mounting arrangement and loudspeaker

MARTIKAINEN ILPO3 citations51

US8452032B2May 28, 2013

Nested compound loudspeaker drive unit

MARTIKAINEN ILPO1 citations48