Battery pack for helmets

Details Battery pack for helmets Battery pack for helmets

2006-03-21

2006-03-21

Douglas, Alan P. (Department: 2911)

Equipment for production, distribution, or transformation of ene

Energy conversion or transformation

Battery or casing therefor

Design Patent

active

D0517476

CLAIM:
The ornamental design for a battery pack for helmets, as shown and described.

REFERENCES:
patent: D311373 (1990-10-01), Morisse et al.
patent: 6406811 (2002-06-01), Hall et al.
patent: 6499190 (2002-12-01), Ruiz Rodriguez
patent: D468720 (2003-01-01), Birkholz

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