- All sections
- B - Performing operations; transporting
- B43L - Articles for writing or drawing upon; accessories for writing or drawing
- B43L 9/08 - Proportional compasses or dividers
Patent holdings for IPC class B43L 9/08
Total number of patents in this class: 1
10-year publication summary
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1
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2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Sentou Industry Co., Ltd. | 2 |
1 |
Other owners | 0 |