Winfried Knorr

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St. Paul, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Device for cutting a support helix for a radially expanded resilien...
- Patent number 4,934,227
- Issue date Jun 19, 1990
- Minnesota Mining and Manufacturing Company
- Winfried Knorr
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Support helix for a radially expanded resilient sleeve
- Patent number 4,871,599
- Issue date Oct 3, 1989
- Minnesota Mining and Manufacturing Company
- Winfried Knorr
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL