John W. Howanski

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Windham, NH, US

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Patents Grantslast 30 patents

Information Patent Grant
Clean air bulk material handling method and system
- Patent number 5,868,528
- Issue date Feb 9, 1999
- Hendrix Wire & Cable, Inc.
- John W. Howanski
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Clean air bulk material handling system
- Patent number 5,639,188
- Issue date Jun 17, 1997
- Conductron Corporation
- John W. Howanski
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL