Patent · US Expired

Portable electric screwdriver

USD411947S · kind S · design

41Cited by
7References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 19, 1998
Grant dateJul 13, 1999
Priority date
Expiry dateJul 13, 2013

Classification

  • Technology area (CPC —)General

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