- All sections
- B - Performing operationstransporting
- B43L - Articles for writing or drawing uponaccessories for writing or drawing
- B43L 13/04 - Guides for rulers
Patent holdings for IPC class B43L 13/04
Total number of patents in this class: 4
10-year publication summary
|
0
|
2
|
1
|
2
|
0
|
0
|
0
|
0
|
0
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| EUROIMMUN Medizinische Labordiagnostika AG | 231 |
1 |
| My Sweet Petunia, Inc. | 49 |
1 |
| Wilton Industries, Inc. | 285 |
1 |
| Alnotrea Pty Ltd | 2 |
1 |
| Other owners | 0 |