Douglas J. Overby

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Perkiomenville, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Filter bag with valve
- Patent number 6,070,728
- Issue date Jun 6, 2000
- Fres-co System USA, Inc.
- Douglas J. Overby
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL