Patent Assignment
Reel/Frame 075532/0489
Assignment of Assignor's Interest
Recorded: 2026-05-18
Pages: 10
Assignor
BIZRTC, LLC
Executed: 2026-04-23
Assignee
ESTECH SYSTEMS IP, LLC
6275 W. PLANO PARKWAY, SUITE 500, PLANO, TEXAS, 75093
Covered Properties
(5)
System, method, and apparatus for voice handoffs
Application:
60/679,936 →
Mobile networking management for wireless and wireline networks
Application:
60/470,101 →
System, Method, and Apparatus for Voice Handoffs
Services Convergence Among Heterogeneous Wired and Wireless Networks
Services Convergence Among Heterogeneous Wired and Wireless Networks
Related Assignments
(8)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Nov 12, 2008
From: PATHAK, JOGEN K; GOVINDARAJAN, RANGAPRASAD
To: VARAHA SYSTEMS INCORPORATED
Reel/Frame 021834/0780 →
Assignment of Assignor's Interest
Oct 13, 2010
From: GOVINDARAJAN, RANGAPRASAD; PATHAK, JOGEN; CHARAN, PIYUSH; VOHRA, ANURAG
To: VARAHA SYSTEMS INCORPORATED
Reel/Frame 025132/0323 →
Assignment of Assignor's Interest
Oct 13, 2010
From: GOVINDARAJAN, RANGAPRASAD; PATHAK, JOGEN; CHARAN, PIYUSH; VOHRA, ANURAG
To: VARAHA SYSTEMS INCORPORATED
Reel/Frame 025132/0499 →
Security Agreement
Nov 2, 2011
From: VARAHA SYSTEMS INCORPORATED
To: SILICON VALLEY BANK
Reel/Frame 027189/0066 →
Assignment of Assignor's Interest
Dec 5, 2011
From: GOVINDARAJAN, RANGAPRASAD; VOHRA, ANURAG; PATHAK, JOGEN
To: VARAHA SYSTEMS INCORPORATED
Reel/Frame 027322/0730 →
Assignment of Assignor's Interest
Nov 13, 2014
From: TRUSTEE FOR THE BANKRUPTCY ESTATE OF VARAHA SYSTEMS, INC.
To: ESTECH SYSTEMS, INC.
Reel/Frame 034168/0522 →
Assignor Assigns Fifty Percent (50%) of the Entire Right, Title and Interest to Assignee, Effective December 30, 2014
Aug 4, 2015
From: ESTECH SYSTEMS, INC.
To: BIZRTC, LLC.; ESTECH SYSTEMS, INC.
Reel/Frame 036264/0481 →
Assignment of Assignor's Interest
Aug 25, 2022
From: ESTECH SYSTEMS, INC.
To: ESTECH SYSTEMS IP, LLC
Reel/Frame 060896/0460 →