IP Library › Granted Patent US 5,820,643
Granted Patent Utility
US 5,820,643 · App. 08/737,378

Dust filter bag for a vacuum cleaner

Inventors: Paul Lienenluke, Stefan Kraut-Reinkober
Patented Case View Patent ↗
Granted: Oct 13, 1998 Filed: Jan 21, 1997
Inventors
Paul Lienenluke
Stefan Kraut-Reinkober

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Quick Facts
Patent No.
US 5,820,643
App. No.
08/737,378
Filed
1997-01-21
Granted
1998-10-13
Kind
A