- All sections
- B - Performing operationstransporting
- B43L - Articles for writing or drawing uponaccessories for writing or drawing
- B43L 1/12 - Repeatedly-usable boards or tablets for writing or drawing having translucent writing surfaces producing visual impressions by co-operation with backing members
Patent holdings for IPC class B43L 1/12
Total number of patents in this class: 40
10-year publication summary
|
4
|
9
|
7
|
5
|
4
|
5
|
3
|
2
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Comsero, Inc. | 26 |
7 |
| 3m Innovative Properties Company | 17976 |
3 |
| Corning Incorporated | 10145 |
3 |
| Chameleon Corporation, Inc. | 9 |
3 |
| Revolution Sign and Media Group LLC | 5 |
3 |
| Microsoft Technology Licensing, LLC | 52933 |
2 |
| Kent Displays Incorporated | 73 |
2 |
| Axon Enterprise, Inc. | 717 |
2 |
| Mpot Pte Ltd | 6 |
2 |
| Audiovox Corporation | 75 |
1 |
| Clarus Glassboards LLC | 22 |
1 |
| Crayola LLC | 179 |
1 |
| e Ink Corporation | 1432 |
1 |
| ID Signsystems, Inc. | 1 |
1 |
| Julia Marie Rhodes 2010 Revocable Trust | 2 |
1 |
| TeacherGeek Inc. | 4 |
1 |
| Logan Wolf Properties Pty Ltd | 1 |
1 |
| Zinatt Technologies Inc. | 11 |
1 |
| Clarus | 3 |
1 |
| Antemilan, LLC | 4 |
1 |
| Other owners | 2 |