Robert C. DeWallace

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Toledo, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Safety closure with liner
- Patent number 4,386,712
- Issue date Jun 7, 1983
- Owens-Illinois, Inc.
- Robert C. DeWallace
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL