Seppo I. Leppanen

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Vancouver, CA

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Patents Grantslast 30 patents

Information Patent Grant
Air motor harmonic drive slice lip automation device
- Patent number 4,833,941
- Issue date May 30, 1989
- Devron-Hercules Inc.
- Seppo I. Leppanen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE