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Patent applications and USPTO patent grants for Cohen; Rovi.The latest application filed is for "message pad subsystem for a software-based intercom system".
Patent | Date |
---|---|
Message pad subsystem for a software-based intercom system Grant 7,567,660 - Lemchen , et al. July 28, 2 | 2009-07-28 |
Network-based intercom system and method for simulating a hardware based dedicated intercom system Grant 6,937,712 - Lemchen , et al. August 30, 2 | 2005-08-30 |
Message pad subsystem for a software-based intercom system App 20050100151 - Lemchen, Marc S. ;   et al. | 2005-05-12 |
Network-based intercom system and method for simulating a hardware based dedicated intercom system Grant 6,792,091 - Lemchen , et al. September 14, 2 | 2004-09-14 |
Network-based intercom system and method for simulating a hardware based dedicated intercom system App 20030190026 - Lemchen, Marc S. ;   et al. | 2003-10-09 |
Network-based intercom system and method for simulating a hardware based dedicated intercom system App 20030161455 - Lemchen, Marc S. ;   et al. | 2003-08-28 |
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