Rovi Cohen

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Brooklyn, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Message pad subsystem for a software-based intercom system
- Patent number 7,567,660
- Issue date Jul 28, 2009
- Marc S. Lemchen
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Network-based intercom system and method for simulating a hardware...
- Patent number 6,937,712
- Issue date Aug 30, 2005
- Marc S. Lemchen
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Network-based intercom system and method for simulating a hardware...
- Patent number 6,792,091
- Issue date Sep 14, 2004
- Marc S. Lemchen
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
Message pad subsystem for a software-based intercom system
- Publication number 20050100151
- Publication date May 12, 2005
- Marc S. Lemchen
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Network-based intercom system and method for simulating a hardware...
- Publication number 20030190026
- Publication date Oct 9, 2003
- Marc S. Lemchen
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Network-based intercom system and method for simulating a hardware...
- Publication number 20030161455
- Publication date Aug 28, 2003
- Marc S. Lemchen
- G06 - COMPUTING CALCULATING COUNTING