Variable speed drive for electric motors
USD503379S1 · kind S1 · design
12Cited by
9References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 7, 2002 |
| Grant date | Mar 29, 2005 |
| Priority date | — |
| Expiry date | Mar 29, 2019 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.