Combined surgical ruler and pen or the like
USD258911S · kind S · design
30Cited by
1References
1Claims
0Family size
Inventor
Key dates
| Filing date | Feb 16, 1979 |
| Grant date | Apr 14, 1981 |
| Priority date | — |
| Expiry date | Apr 14, 1995 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.