Design Patent
2008-01-01
2008-01-01
Seifert, Ralf (Department: 2914)
Design Patent
active
D0558446
CLAIM:
The ornamental design for a self-defense device for a key ring, as shown and described.
REFERENCES:
patent: D59025 (1921-09-01), McCullough
patent: D121212 (1940-06-01), Mix et al.
patent: 2531835 (1950-11-01), Anderson
patent: D378630 (1997-04-01), Carman
patent: D384254 (1997-09-01), Johnson
patent: D448156 (2001-09-01), Gietz
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