Joachim Ungruh

Follow

Person

Munchen, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Method for handling telephone calls via at least one telephone netw...
- Patent number 6,798,770
- Issue date Sep 28, 2004
- Siemens Aktiengesellschaft
- Frank Hollatz
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
E-mail server of a provider of e-mail services
- Patent number 6,480,582
- Issue date Nov 12, 2002
- Siemens Aktiengesellschaft
- Joachim Ungruh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for notification and control of incoming calls in a network
- Patent number 6,097,795
- Issue date Aug 1, 2000
- Siemens Aktiengesellschaft
- Joachim Ungruh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE