IP Library › Granted Patent US 4,088,424
Granted Patent Utility
US 4,088,424 · App. 05/799,241

Wet pick-up vacuum unit motor bearing air seal

Inventors: Robert L. Hyatt, Norbert Niessner
Patented Case View Patent ↗
Granted: May 9, 1978 Filed: May 23, 1977
Inventors
Robert L. Hyatt
Norbert Niessner
Assignee (at issue)
Ametek, Inc.

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Quick Facts
Patent No.
US 4,088,424
App. No.
05/799,241
Filed
1977-05-23
Granted
1978-05-09
Kind
A