B24B 9/162

By bruting, i.e. rubbing two precious stones against each other

Official title: {by bruting, i.e. rubbing two precious stones against each other}

B24B9/162 (By bruting, i.e. rubbing two precious stones against each other) appears on 13 US grants and 9 published applications in this corpus.

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Granted patents
13
Published applications
9
Assignees
5
Inventors
27
Latest grant
11 Oct 2016

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B24B 9/162: granted patents and published applications per publication year
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197710
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201610

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