Inventor

PFEFFER ANDREAS HELMUT

DE3 patents

Patents

3 patents

US12395786B2Aug 19, 2025

Loudspeaker

HARMAN BECKER AUTOMOTIVE SYSTEMS GMBH0 citations50

US12250531B2Mar 11, 2025

Loudspeaker

HARMAN BECKER AUTOMOTIVE SYSTEMS GMBH0 citations47

US12413883B2Sep 9, 2025

Speaker with batched cones

HARMAN BECKER AUTOMOTIVE SYSTEMS GMBH0 citations38