Dual Voltage Co. Ltd.

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Patent Activity in the Last 10 Years

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
D417860 Battery packAug 25, 97Dec 21, 99[1302]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5778939 Flexible plastics vacuum cleaner coreExpiredFeb 20, 96Jul 14, 98[F16L]
5378556 Battery packExpiredApr 20, 94Jan 03, 95[H01M]
D352270 Battery packExpiredApr 05, 93Nov 08, 94[]

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