Golf club shaft-attachable air-resistance device
USD441043S · kind S · design
9Cited by
4References
1Claims
0Family size
Inventor
Key dates
| Filing date | Aug 27, 1999 |
| Grant date | Apr 24, 2001 |
| Priority date | — |
| Expiry date | Apr 24, 2015 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.