Hans Dieter Beisner

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Oxford Mills, CA

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Patents Grantslast 30 patents

Information Patent Grant
Audio earpiece for wideband telephone handsets
- Patent number 7,352,859
- Issue date Apr 1, 2008
- Mitel Networks Corporation
- Stephane Dedieu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Formed lens tab for designation card insert
- Patent number 6,581,315
- Issue date Jun 24, 2003
- Mitel Knowledge Corporation
- Julia Carol Turner
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Audio earpiece for wideband telephone handsets
- Publication number 20030231764
- Publication date Dec 18, 2003
- Stephane Dedieu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Formed lens tab for designation card insert
- Publication number 20020020093
- Publication date Feb 21, 2002
- Julia Carol Turner
- H04 - ELECTRIC COMMUNICATION TECHNIQUE