Patent Assignment
Reel/Frame 072631/0009
Assignment of Assignor's Interest
Recorded: 2025-10-21
Pages: 5
Assignor
CHU, WAI CHUNG
Executed: 2025-05-30
Assignee
AMAZON TECHNOLOGIES, INC.
PO BOX 81226, SEATTLE, WASHINGTON, 98108-1226
Covered Property
(1)
Audio-Based User Engagement Detection
Patent:
12,531,064 →
Application:
18/620,703 →