Y Shi - US Patent 7,948,955, 2011 - Google Patents
(57) ABSTRACT A Subscription method and device based upon the session initiation protocol are disclosed. Such that a function of per manent Subscription and temporary …
RJ Helferich - US Patent 7,376,432, 2008 - Google Patents
(57) ABSTRACT A paging transceiver and method for selectively paging provides a page to a paging transceiver but does not auto matically provide an associated message. The …
RJ Helferich - US Patent 7,843,314, 2010 - Google Patents
(57) ABSTRACT A paging transceiver and method for selectively paging pro vides a page to a paging transceiver but does not automati cally provide an associated message. The …
RJ Helferich - US Patent 8,355,702, 2013 - Google Patents
The present invention provides systems and method for deliv ering information to a transmitting and receiving device. The device receives a notification alerting a user of the …
RJ Helferich - US Patent 7,957,695, 2011 - Google Patents
6.826407.(57) ABSTRACT (60) Provisional application No. 60/155,055, filed on Sep. The present invention provides a communication system for 21, 1999, provisional application No …
RJ Helferich - US Patent 9,560,502, 2017 - Google Patents
Related US Application Data(56) References Cited continuation of application No. 13/895.226, filed on US PATENT DOCUMENTS May 15, 2013, now abandoned, which is a …
CD Stillion, HJ Bjordahl, BJ Tsang - US Patent 9,671,933, 2017 - Google Patents
Systems and methods are disclosed for providing electronic distribution of filtered calendars. The disclosed systems and methods may include receiving control data. The control data …
RJ Helferich - US Patent 8,560,006, 2013 - Google Patents
Related US Application Data (60) Continuation of application No. 13/109.437, filed on May 17, 2011, now Pat. No. 8,374,585, which is a division of application No. 12/167,971, filed on …