Patent Assignment
Reel/Frame 058105/0212
Assignment of Assignor's Interest
Recorded: 2021-11-13
Pages: 6
Assignor
WITT-EHSANI, SILKE
Executed: 2011-08-11
Assignee
WEST CORPORATION
11808 MIRACLE HILLS DRIVE, MSW11-LEGAL, OMAHA, NEBRASKA, 68154
Covered Properties
(2)
Method and Apparatus of Estimating Optimum Dialog State Timeout Settings in a Spoken Dialog System
Patent:
9,253,322 →
Application:
14/296,551 →
Method and Apparatus of Estimating Optimum Dialog State Timeout Settings in a Spoken Dialog System
Patent:
9,602,654 →
Application:
15/013,266 →
Related Assignments
(4)
Other recorded transfers of the patents 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 →