Dale, Texas
United States
13
2024-12-26
The entities that hold a legal rights for patent applications filed by inventor Tschirhart David A.:
David A. Tschirhart from Dale, US has applied for patents for these inventions. The list has both pending applications and granted patents:
METHOD AND SYSTEM FOR ROUTING OF INBOUND TOLL-FREE AND TOLLED COMMUNICATIONS
#2 | 2024-08-08METHOD AND SYSTEM FOR ROUTING OF INBOUND TOLL-FREE COMMUNICATIONS
#3 | 2024-06-27Carrier identification code delivery to an egress network of a telecommunications network
#4 | 2022-07-28Method and system for routing of inbound toll-free communications
#5 | 2022-04-14Carrier identification code delivery to an egress network of a telecommunications network
#6 | 2020-12-03Method and system for routing of inbound toll-free communications
#7 | 2019-10-31Last resource disaster routing in a telecommunications network
#8 | 2019-08-08METHOD AND SYSTEM FOR ROUTING OF INBOUND TOLL-FREE COMMUNICATIONS
#9 | 2019-08-01Enterprise toll-free call routing
#10 | 2018-10-04Last resource disaster routing in a telecommunications network
#11 | 2018-05-03Carrier identification code delivery to an egress network of a telecommunications network
#12 | 2017-03-16Method and system for routing of inbound toll-free communications
#13 | 2016-06-23Enterprise toll-free call routing
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