Patent Assignment
Reel/Frame 026751/0797
Assignment of Assignor's Interest
Recorded: 2011-08-15
Pages: 5
Assignor
WITT-EHSANI, SILKE
Executed: 2011-08-11
Assignee
WEST CORPORATION
11808 MIRACLE HILLS DRIVE, MS W11-LEGAL, OMAHA, NEBRASKA, 68154
Covered Property
(1)
Method and Apparatus of Estimating Optimum Dialog State Timeout Settings in a Spoken Dialog System
Patent:
8,762,154 →
Application:
13/210,029 →
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Security Interest
Jun 20, 2016
From: WEST CORPORATION; WEST INTERACTIVE SERVICES CORPORATION; WEST SAFETY SERVICES, INC.; WEST UNIFIED COMMUNICATIONS SERVICES, INC.
To: U.S. BANK NATIONAL ASSOCIATION
Reel/Frame 039093/0944 →
Release of Security Interest
Nov 3, 2017
From: U.S. BANK NATIONAL ASSOCIATION
To: WEST CORPORATION; WEST INTERACTIVE SERVICES CORPORATION; WEST SAFETY SERVICES, INC.; WEST UNIFIED COMMUNICATIONS SERVICES, INC.
Reel/Frame 044363/0380 →
Assignment of Assignor's Interest
Nov 27, 2017
From: WEST CORPORATION
To: OPEN INVENTION NETWORK, LLC
Reel/Frame 044791/0681 →
Release of Security Interest
May 1, 2018
From: U.S. BANK NATIONAL ASSOCIATION
To: WEST CORPORATION; WEST INTERACTIVE SERVICES CORPORATION; WEST SAFETY SERVICES, INC.; WEST UNIFIED COMMUNICATIONS SERVICES, INC.
Reel/Frame 046046/0547 →