Invention Grant
US08234755B1 Adjustable extension for handles 失效
手柄可调延伸

Adjustable extension for handles
Abstract:
The present invention relates to an extension for handles of an existing device. In accordance with the current invention, extensions can be connected to the handles and securely adjusted in both generally vertical and generally horizontal directions. Extensions of the current invention are particularly well-suited for use with the handles of rollable devices.
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