US 9,643,506 K1 (4,155th)
Portable backup charger
Xingliang Lei
Assigned to SHENZHEN CARKU TECHNOLOGY CO., LTD.
Trial No. IPR2024-00222, Nov. 21, 2023
Inter Partes Review Certificate for Patent 9,643,506, issued May 9, 2017, Appl. No. 15/141,841, Apr. 29, 2016
Inter Partes Review Certificate issued Oct. 20, 2025