- All sections
- A - Human necessities
- A41B - Shirts; underwear; baby linen; handkerchiefs
- A41B 1/20 - Stiffeners for shirt-fronts
Patent holdings for IPC class A41B 1/20
Total number of patents in this class: 8
10-year publication summary
|
3
|
0
|
1
|
2
|
1
|
1
|
0
|
2
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Million Dollar Collar, LLC | 4 |
2 |
| Aburnet Limited | 9 |
1 |
| Designlab29 LLC | 1 |
1 |
| Million Collar Collar, LLC | 1 |
1 |
| Shanghai Pacific Hat Manufacturing Co.,Ltd | 16 |
1 |
| Fortiac Corporation, DBA Techin New York | 7 |
1 |
| She Invents L.L.C., DBA Knottia The Original Knot | 2 |
1 |
| Other owners | 0 |