Patent · US Expired

Heat recovery unit

USD510761S1 · kind S1 · design

0Cited by
7References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 12, 2003
Grant dateOct 18, 2005
Priority date
Expiry dateOct 18, 2019

Classification

  • Technology area (CPC —)General

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