G01G 21/022
Of tapes or ribbons
Official title: {of tapes or ribbons}
G01G21/022 (Of tapes or ribbons) appears on 3 US grants and 0 published applications in this corpus.
Search patents in G01G- Granted patents
- 3
- Published applications
- 0
- Assignees
- 1
- Inventors
- 4
- Latest grant
- 2 Dec 1986
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 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