Transportation – Perambulator – invalid chair – or stretcher – Element or attachment
Design Patent
2008-03-18
2008-03-18
Rademaker, Charles A. (Department: 2916)
Transportation
Perambulator, invalid chair, or stretcher
Element or attachment
Design Patent
active
D0564421
CLAIM:
The ornamental design for a tray for walker, as shown and described.
REFERENCES:
patent: 1351285 (1920-08-01), Chess
patent: 4524701 (1985-06-01), Chappell
patent: D300496 (1989-04-01), Childress
patent: D305015 (1989-12-01), Roche
patent: D315463 (1991-03-01), Spiegel
patent: D318694 (1991-07-01), Richards-Butts
patent: D353123 (1994-12-01), Korona
patent: D403280 (1998-12-01), Diestel et al.
patent: D422539 (2000-04-01), Jacobson
patent: D428833 (2000-08-01), Chuang
Hanson Charles D
Lampel Justin
Rademaker Charles A.
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