IP Library › Assignment 073321/0425
Patent Assignment
Reel/Frame 073321/0425

Nunc Pro Tunc Assignment

Recorded: 2025-12-29 Pages: 3
Assignor
EM-TECH. CO., LTD.
Executed: 2025-11-27
Assignee
SSI NEW MATERIAL (ZHENJIANG) CO., LTD.
NO.7 SONGLINSHAN ROAD, DAGANG TOWN, ZHENGJIANG NEW DISTRICT, ZHENJIANG, JIANGSU, 212006, CHINA
Covered Properties (3)
Microspeaker Enclosure with Air Adsorbent in Resonance Space
Application: 15/392,208 →
Publication: US 2017/0188136
Micro-Speaker Having an Air Adsorbent
Application: 15/392,443 →
Publication: US 2017/0188137
Microspeaker Enclosure with Porous Materials in Resonance Space
Application: 15/615,155 →
Publication: US 2017/0353785
Related Assignments (3)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest Mar 10, 2017
From: KWON, JOONG HAK; KANG, GHI YUUN; CHOE, HWAN OCK
To: EM-TECH. CO., LTD.
Reel/Frame 041544/0364 →
Assignment of Assignor's Interest Mar 10, 2017
From: KANG, GHI YUUN
To: EM-TECH. CO., LTD.
Reel/Frame 041976/0977 →
Assignment of Assignor's Interest Aug 15, 2017
From: CHOI, KYU DONG; HA, JONG HEON; OH, HYEON TAEK
To: EM-TECH. CO., LTD.
Reel/Frame 043297/0943 →