Recording materials
UST996002I4 · kind I4 · defensive publication
0Cited by
0References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 23, 1979 |
| Grant date | Jul 1, 1980 |
| Priority date | — |
| Expiry date | Oct 23, 1999 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.