Patent · US Expired

Speed controller

USD438176S · kind S · design

31Cited by
5References
1Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJun 3, 1998
Grant dateFeb 27, 2001
Priority date
Expiry dateFeb 27, 2015

Classification

  • Technology area (CPC —)General

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