- All sections
- G - Physics
- G06K - Graphical data reading; presentation of data; record carriers; handling record carriers
- G06K 21/02 - Information retrieval from punched cards designed for manual use or handling by machine ; Apparatus for handling such cards, e.g. marking or correcting in which coincidence of markings is sensed mechanically, e.g. by needle
Patent holdings for IPC class G06K 21/02
Total number of patents in this class: 1
10-year publication summary
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1
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0
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0
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0
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0
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0
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0
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0
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0
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0
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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Board of Trustees of the Leland Stanford Junior University | 6054 |
1 |
| Other owners | 0 |