Inventor

SIPKEMA MARCUS KAREL

NL3 patents

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

VARIBEL B V

2 patents

US7735996B2Jun 15, 2010

Connector assembly for connecting an earpiece of a hearing aid to glasses temple

VARIBEL B V33 citations85

US7609842B2Oct 27, 2009

Spectacle hearing aid

VARIBEL B V39 citations84

SIPKEMA MARCUS KAREL

1 patent

US8139801B2Mar 20, 2012

Hearing aid glasses using one omni microphone per temple

SIPKEMA MARCUS KAREL16 citations74