B41J 9/20
Springs
B41J9/20 (Springs) appears on 2 US grants and 0 published applications in this corpus.
Search patents in B41J- Granted patents
- 2
- Published applications
- 0
- Assignees
- 2
- Inventors
- 2
- Latest grant
- 31 Jul 1990
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 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