A63F 2003/00315
Using braking effect caused by friction
Official title: {using braking effect caused by friction}
A63F2003/00315 (Using braking effect caused by friction) appears on 3 US grants and 0 published applications in this corpus.
Search patents in A63F- Granted patents
- 3
- Published applications
- 0
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- 0
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- 3
- Latest grant
- 8 Nov 1988
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|---|---|---|
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| 1988 | 1 | 0 |
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