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Inventor
DIDNER NILS
SE
2 patents
Patents
2 patents
US10179076B2
Jan 15, 2019
Gear-shift arrangement for a wheelchair wheel
GEARWHEEL AB
1 citations
50
US11033446B2
Jun 15, 2021
Backstop and gear-shift arrangement for a wheelchair wheel
GEARWHEEL AB
0 citations
45