Worm composting bin
The broken line showing a cover, a handle, and wheels in
Claims
The ornamental design for a worm composting bin, as shown and described.
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Type: Grant
Filed: May 20, 2020
Date of Patent: Jan 18, 2022
Inventor: Kelly Hui-Chin Tung (Cupertino, CA)
Primary Examiner: Cynthia Ramirez
Application Number: 29/735,372