Leonard A. Koniewicz

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Lockport, IL, US

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Patents Grantslast 30 patents

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Top blocker for a paper shredder
- Patent number 5,954,280
- Issue date Sep 21, 1999
- Fellowes Manufacturing Company
- Bruce R. Kroger
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...