Powershield

Details Powershield Powershield

2003-02-13

2004-08-03

Hyder, Philip S. (Department: 2912)

Equipment for production, distribution, or transformation of ene

Energy conversion or transformation

Transformer, rectifier or casing therefor

Design Patent

active

D0493772

CLAIM:
The ornamental design for a powershield, as shown and described.

REFERENCES:
patent: D285439 (1986-09-01), Nagele
patent: D408009 (1999-04-01), Fukushima
patent: D434370 (2000-11-01), Sun et al.
patent: D454837 (2002-03-01), Ibuki et al.
patent: D459300 (2002-06-01), Kawanobe et al.
patent: D471518 (2003-03-01), Olsson et al.
patent: D475681 (2003-06-01), Ho

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