IP Library › Granted Patent US 5,640,740
Granted Patent Utility
US 5,640,740 · App. 08/453,174

Vacuum cleaner

Inventors: Michael F. Martin, William D. Starr, Peter Hoekstra
Patented Case View Patent ↗
Granted: Jun 24, 1997 Filed: May 30, 1995
Inventors
Michael F. Martin
William D. Starr
Peter Hoekstra
Assignee (at issue)
Aktiebolaget Electrolux

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Quick Facts
Patent No.
US 5,640,740
App. No.
08/453,174
Filed
1995-05-30
Granted
1997-06-24
Kind
A