Four-wheel rollator walker
The broken lines in the figures illustrate portions of the four-wheel rollator walker that form no part of the claimed design. The dot-dash broken lines represent boundaries of the enlarged portions and form no part of the claimed design.
Claims
The ornamental design for a four-wheel rollator walker, as shown and described.
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Type: Grant
Filed: Jan 10, 2025
Date of Patent: May 19, 2026
Assignee: HONGKONG PISHON MEDICAL EQUIPMENT CO., LIMITED (Hong Kong)
Inventor: Qiu Zhong (Shenzhen)
Primary Examiner: Garth Rademaker
Assistant Examiner: Aaron C Fowler
Application Number: 29/983,357