2000-07-11
2001-05-15
Zarfas, Louis S. (Department: 2914)
Design Patent
active
D0441950
CLAIM:
The ornamental design for a multi-purpose walking stick, as shown and described.
REFERENCES:
patent: D. 283370 (1986-04-01), Hill
patent: D. 325670 (1992-04-01), Champigny
patent: D. 427763 (2000-07-01), Kikuchi et al.
patent: 4582079 (1986-04-01), Fields
patent: 5755245 (1998-05-01), Van Helvoort
Oliver Catherine R.
Salter & Michaelson
Tohkai Precision Industrial Limited
Zarfas Louis S,.
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