Ruler

Inventor: Chongchao Zhao (Shanghai, CN)

Assignee: Kearing Ltd.

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Claims (1)

The ornamental design for a ruler, as shown and described.

Assignments (2)

CHANGE OF NAME Recorded Apr 19, 2023

From: SHANGHAI KEARING STATIONERY CO., LTD.

To: KEARING LTD.

ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 14, 2021

From: ZHAO, CHONGCHAO

To: SHANGHAI KEARING STATIONERY CO., LTD.