IP Library › Granted Patent US 1,032,116
Granted Patent S1
US 1,032,116 · App. 29/845,893 · Granted Jun 18, 2024

Pipe cleaner

Inventors: Lei Zhang (Beijing, CN); Dabao Zhang (Beijing, CN)
Assignee: Lei Zhang
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Quick Facts
Patent No.
US 1,032,116
App. No.
29/845,893
Granted
Jun 18, 2024
Kind
S1
Claims (1)

The ornamental design for a pipe cleaner, as shown and described.