Olaf Leske

Follow

Person

Langenhagen, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Headset and headphone
- Patent number 9,277,039
- Issue date Mar 1, 2016
- Sennheiser electronic GmbH & Co. KG
- Axel Schmidt
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Earphone, headset and ear pad
- Patent number 8,638,969
- Issue date Jan 28, 2014
- Sennheiser electronic GmbH & Co. KG
- Jan Peter Kuhtz
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Headset and headphone
- Patent number 8,559,665
- Issue date Oct 15, 2013
- Sennheiser electronic GmbH & Co. KG
- Axel Schmidt
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Earphone and headset
- Patent number 8,369,557
- Issue date Feb 5, 2013
- Sennheiser electronic GmbH & Co. KG
- Jan Peter Kuhtz
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Earphone and headset
- Patent number 8,249,267
- Issue date Aug 21, 2012
- Sennheiser electronic GmbH & Co. KG
- Olaf Leske
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Earphone and headset
- Patent number 8,204,267
- Issue date Jun 19, 2012
- Sennheiser electronic GmbH & Co. KG
- Olaf Leske
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
HEADSET AND HEADPHONE
- Publication number 20130343592
- Publication date Dec 26, 2013
- SENNHEISER ELECTRONIC GMBH & CO. KG
- Axel Schmidt
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
HEADSET AND HEADPHONE
- Publication number 20110194721
- Publication date Aug 11, 2011
- Sennheiser electronic GmbH & Co., KG
- Axel Schmidt
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
EARPHONE, HEADSET AND EAR PAD
- Publication number 20100158301
- Publication date Jun 24, 2010
- SENNHEISER ELECTRONIC GMBH & CO. KG
- Jan Peter Kuhtz
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
EARPHONE AND HEADSET
- Publication number 20090323978
- Publication date Dec 31, 2009
- SENNHEISER ELECTRONIC GMBH & CO. KG
- Olaf Leske
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
EARPHONE AND HEADSET
- Publication number 20090323979
- Publication date Dec 31, 2009
- SENNHEISER ELECTRONIC GMBH & CO. KG
- Olaf Leske
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
EARPHONE AND HEADSET
- Publication number 20090262952
- Publication date Oct 22, 2009
- SENNHEISER ELECTRONIC GMBH & CO. KG
- Jan Peter Kuhtz
- H04 - ELECTRIC COMMUNICATION TECHNIQUE