Patent · US Expired

Rotary fluid flow machine

USD328304S · kind S · design

32Cited by
9References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 8, 1990
Grant dateJul 28, 1992
Priority date
Expiry dateJul 28, 2006

Classification

  • Technology area (CPC —)General

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