IP Library › Granted Patent US 4,171,208
Granted Patent Utility
US 4,171,208 · App. 05/838,564

Vacuum cleaner including diverter valve

Inventor: Dale E. Lowder
Patented Case View Patent ↗
Granted: Oct 16, 1979 Filed: Oct 3, 1977
Inventor
Dale E. Lowder
Assignee (at issue)
Clarke-Gravely Corporation

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Quick Facts
Patent No.
US 4,171,208
App. No.
05/838,564
Filed
1977-10-03
Granted
1979-10-16
Kind
A