Patent · US Expired

Combined driver and holder for spinal hooks or screws

USD331625S · kind S · design

37Cited by
18References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 21, 1990
Grant dateDec 8, 1992
Priority date
Expiry dateDec 8, 2006

Classification

  • Technology area (CPC —)General

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