G03B 21/115

Of microfiches

Official title: {of microfiches}

G03B21/115 (Of microfiches) appears on 129 US grants and 6 published applications in this corpus.

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Granted patents
129
Published applications
6
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46
Inventors
143
Latest grant
19 Oct 2021

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G03B 21/115: granted patents and published applications per publication year
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197690
1977100
1978140
197970
1980100
1981120
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201211
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201401
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201600
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