Blacktop sealer mixer attachment for a power tool
USD306685S · kind S · design
10Cited by
2References
1Claims
0Family size
Inventor
Key dates
| Filing date | Jul 2, 1987 |
| Grant date | Mar 20, 1990 |
| Priority date | — |
| Expiry date | Mar 20, 2004 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.