IP Library › Granted Patent US 1,030,869
Granted Patent S1
US 1,030,869 · App. 29/863,887 · Granted Jun 11, 2024

Brush pen

Inventor: Hechen Zhang (Hangzhou, CN)
Assignee: Tonglu Zhenghua Stationery Co., Ltd.
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Quick Facts
Patent No.
US 1,030,869
App. No.
29/863,887
Granted
Jun 11, 2024
Kind
S1
Claims (1)

The ornamental design for a brush pen, as shown and described.