H04Q 2213/20
Isdn
H04Q2213/20 (Isdn) appears on 1 US grants and 0 published applications in this corpus.
Search patents in H04Q- Granted patents
- 1
- Published applications
- 0
- Assignees
- 1
- Inventors
- 2
- Latest grant
- 7 Dec 1999
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1999 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
No published applications in this class yet.
Most cited
By later US patents