B23B 2233/08
Centres or drivers comprising a ball
B23B2233/08 (Centres or drivers comprising a ball) appears on 2 US grants and 0 published applications in this corpus.
Search patents in B23B- Granted patents
- 2
- Published applications
- 0
- Assignees
- 2
- Inventors
- 4
- Latest grant
- 2 Jul 1996
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 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