Patent · US Expired

Engine tachometer

USD331027S · kind S · design

1Cited by
7References
1Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 8, 1989
Grant dateNov 17, 1992
Priority date
Expiry dateNov 17, 2006

Classification

  • Technology area (CPC —)General

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