- All sections
- B - Performing operationstransporting
- B43L - Articles for writing or drawing uponaccessories for writing or drawing
- B43L 7/033 - Plural non-adjustable straightedges forming non-right angles
Patent holdings for IPC class B43L 7/033
Total number of patents in this class: 2
10-year publication summary
|
0
|
0
|
0
|
3
|
1
|
1
|
0
|
0
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Edgeline Holdings, LLC | 1 |
1 |
| Johnson Level & Tool Mfg. Co., Inc. | 36 |
1 |
| Other owners | 0 |