Walter Johnsen

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Fairfield, CT, US

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Patents Grantslast 30 patents

Information Patent Grant
Pencil-sharpening device
- Patent number 7,934,319
- Issue date May 3, 2011
- Acme United Corporation
- Michael E. Peterson
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Patents Applicationslast 30 patents

Information Patent Application
PENCIL-SHARPENING DEVICE
- Publication number 20070214661
- Publication date Sep 20, 2007
- Michael E. Peterson
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES