Interchangeable circuit module for a portable hand-held computer
USD303524S · kind S · design
80Cited by
6References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 30, 1986 |
| Grant date | Sep 19, 1989 |
| Priority date | — |
| Expiry date | Sep 19, 2003 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.