IP Library › Granted Patent US 4,219,902
Granted Patent Utility
US 4,219,902 · App. 06/010,599

Vacuum cleaning

Inventor: Donald R. DeMaagd
Patented Case View Patent ↗
Granted: Sep 2, 1980 Filed: Feb 9, 1979
Inventor
Donald R. DeMaagd
Assignee (at issue)
Oreck Holdings, LLC

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Quick Facts
Patent No.
US 4,219,902
App. No.
06/010,599
Filed
1979-02-09
Granted
1980-09-02
Kind
A