Inventor

KETTERER ERNEST

US3 patents

⚠️ This page may combine multiple inventors who share the name “KETTERER ERNEST”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

BOGEN COMMUNICATIONS INC

2 patents

US6427019B1Jul 30, 2002

Speaker Assembly

BOGEN COMMUNICATIONS INC14 citations74

US7706515B1Apr 27, 2010

Programmable paging controller with programmable switch contact

BOGEN COMMUNICATIONS INC0 citations45

BOGEN COMM INC

1 patent

US7780135B2Aug 24, 2010

Speaker mounting system

BOGEN COMM INC34 citations86