Transportation – Perambulator – invalid chair – or stretcher – Walker
Design Patent
2000-06-07
2001-12-11
Jackson, Marcus A. (Department: 2911)
Transportation
Perambulator, invalid chair, or stretcher
Walker
Design Patent
active
D0451848
CLAIM:
The ornamental design for a top frame of walker, as shown and described.
REFERENCES:
patent: 5007653 (1991-04-01), Chen
patent: 5203581 (1993-04-01), Jankowski
patent: 5342072 (1994-08-01), Prasad
Jackson Marcus A.
Jin Sun Gee Plastic Co., Ltd.
Rosenberg , Klein & Lee
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