IP Library › Granted Patent US 5,109,174
Granted Patent Utility
US 5,109,174 · App. 07/440,988

Ultrasonic cleaner

Inventor: Robert E. Shewell
Patented Case View Patent ↗
Granted: Apr 28, 1992 Filed: Nov 22, 1989
Inventor
Robert E. Shewell
Assignee (at issue)
MDT CO.,LTD.

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Quick Facts
Patent No.
US 5,109,174
App. No.
07/440,988
Filed
1989-11-22
Granted
1992-04-28
Kind
A