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Misawa; Rintaro
Tokorozawa, JP
No. of patents:

Patent Number Title Of Patent Date Issued
4771839 Stair-climbing wheelchair carrier September 20, 1988
A stair-climbing wheelchair carrier, comprising a carrier portion comprising a pair of endless belt crawlers, and a handle portion rotatably and detachably provided on the carrier. The handle portion is adapted to be rotated between an operating position and a wheelchair engaging pos
4681330 Hand truck July 21, 1987
A hand truck has a load supporting frame having a handle, and a load supporting platform provided on a lower portion of the load supporting frame. A pair of main wheels are provided on a lower portion of the load supporting frame, and an auxiliary frame is pivotally mounted on a lower
4566550 Stair-climbing wheelchair carrier January 28, 1986
A stair-climbing wheelchair carrier has a frame body, a pair of rail frames formed in a lower portion of the frame body and a pair of endless belt crawlers engaged with the wheels provided on the frame body and with the rail frames. A travelling wheel mechanism is provided on each of the

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