Patent · US Expired

Portable bench-top cleanroom for use as a work station

USD330757S · kind S · design

12Cited by
4References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 2, 1989
Grant dateNov 3, 1992
Priority date
Expiry dateNov 3, 2006

Classification

  • Technology area (CPC —)General

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