Patent · US Expired

Cordless screwdriver

USD339046S · kind S · design

55Cited by
4References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 27, 1990
Grant dateSep 7, 1993
Priority date
Expiry dateSep 7, 2007

Classification

  • Technology area (CPC —)General

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