- All sections
- G - Physics
- G09B - Educational or demonstration appliances; appliances for teaching, or communicating with, the blind, deaf or mute; models; planetaria; globes; maps; diagrams
- G09B 19/20 - Needlework
Patent holdings for IPC class G09B 19/20
Total number of patents in this class: 17
10-year publication summary
|
1
|
1
|
1
|
4
|
4
|
2
|
2
|
0
|
0
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Clover Mfg. Co., Ltd. | 87 |
2 |
| Create2Thrive Inc. | 4 |
2 |
| Spinrite Inc. | 104 |
2 |
| Dittopatterns LLC | 7 |
2 |
| Low Tech Toy Club, LLC d/b/a The Woobles | 2 |
2 |
| Colonel, Shirley R. | 1 |
1 |
| Gracewood Management, Inc. | 40 |
1 |
| Resonance Companies, LLC | 5 |
1 |
| Flycatcher Corp Ltd | 18 |
1 |
| Create2Thrive LLP, Sally A. Holt, a U.S. citizen, and Jeffrey B. Smith, a Canadian citizen | 1 |
1 |
| Wig Korea Co., Ltd. | 1 |
1 |
| JANOME Corporation | 266 |
1 |
| Other owners | 0 |