D04B 23/18
With provision for narrowing or widening
Official title: with provision for narrowing or widening
D04B23/18 (With provision for narrowing or widening) appears on 1 US grants and 1 published applications in this corpus.
Search patents in D04B- Granted patents
- 1
- Published applications
- 1
- Assignees
- 1
- Inventors
- 2
- Latest grant
- 20 Dec 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2022 | 1 | 0 |
| 2023 | 0 | 1 |
By publication year.