A22C 2011/102
And twisting in opposite directions
Official title: {and twisting in opposite directions}
A22C2011/102 (And twisting in opposite directions) appears on 1 US grants and 0 published applications in this corpus.
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- Latest grant
- 2 Oct 1990
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| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
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