Patent · US Expired

Frequency converter

USD638793S1 · kind S1 · design

7Cited by
8References
1Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 8, 2010
Grant dateMay 31, 2011
Priority date
Expiry dateMay 31, 2025

Classification

  • Technology area (CPC —)General

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.