IP Library › Granted Patent US 5,988,603
Granted Patent Utility
US 5,988,603 · App. 09/038,862

Level maintenance in cyclone contractors

Inventors: David McCampbell, Carroll Edward Ball
Patented Case View Patent ↗
Granted: Nov 23, 1999 Filed: Mar 11, 1998
Inventors
David McCampbell
Carroll Edward Ball
Assignee (at issue)
Midwest Research Institute, Inc.

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Quick Facts
Patent No.
US 5,988,603
App. No.
09/038,862
Filed
1998-03-11
Granted
1999-11-23
Kind
A