Patent · US Expired

Response tracer amplifier unit having graphic amplifier response display for stereo sound systems and the like

USD255684S · kind S · design

2Cited by
5References
1Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 21, 1978
Grant dateJul 1, 1980
Priority date
Expiry dateJul 1, 1994

Classification

  • Technology area (CPC —)General

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