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Patent applications and USPTO patent grants for Ahlberg; Bjorn G. D..The latest application filed is for "systems and methods for selectively accepting telephone calls without establishing voice communications".
Patent | Date |
---|---|
Systems and methods for selectively accepting telephone calls without establishing voice communications Grant 5,657,372 - Ahlberg , et al. August 12, 1 | 1997-08-12 |
Systems and methods for prioritized routing of telephone calls to a subscriber Grant 5,600,704 - Ahlberg , et al. February 4, 1 | 1997-02-04 |
Method and apparatus of maintaining an open communications channel between a cellular terminal and an associated cellular radio network Grant 5,574,774 - Ahlberg , et al. November 12, 1 | 1996-11-12 |
Cellular telephone and associated method for opening a voice channel with a source telephone without establishing voice communications therewith Grant 5,570,413 - Ahlberg , et al. October 29, 1 | 1996-10-29 |
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