Adjustable walker cane

Details Adjustable walker cane Adjustable walker cane

2000-06-23

2001-02-20

Zarfas, Louis S. (Department: 2914)

Design Patent

active

D0437679

CLAIM:
The ornamental design for an adjustable walker cane, as shown and described.

REFERENCES:
patent: D. 49909 (1916-11-01), Riegel
patent: D. 180867 (1957-08-01), de Gignac
patent: D. 414923 (1999-10-01), Whiting
patent: D. 425293 (2000-05-01), Maalik
patent: 1802323 (1931-04-01), Aulmann
patent: 2413202 (1946-12-01), Vrooman et al.

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