William J. Campbell

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Grand Rapids, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Diverter shoe and diverting rail
- Patent number 4,738,347
- Issue date Apr 19, 1988
- Rapistan Corp.
- Gerald A. Brouwer
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL