- All sections
- B - Performing operationstransporting
- B43K - Implements for writing or drawing
- B43K 29/12 - Combinations of writing implements with other articles with memorandum appliances
Patent holdings for IPC class B43K 29/12
Total number of patents in this class: 4
10-year publication summary
|
2
|
0
|
1
|
0
|
1
|
0
|
0
|
0
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| 3m Innovative Properties Company | 17512 |
2 |
| Qualcomm Incorporated | 90221 |
1 |
| NENGYU, Sheng | 1 |
1 |
| Other owners | 0 |