Michael J. Duwell

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Cincinnati, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Support frame for a power tool
- Patent number D286538
- Issue date Nov 4, 1986
- Shopsmith, Inc.
- Michael J. Duwell
- D15 - Machines not elsewhere specified
Information Patent Grant
Headstock for a multipurpose woodworking tool
- Patent number D281431
- Issue date Nov 19, 1985
- Shopsmith, Inc.
- Charles J. Haas
- D15 - Machines not elsewhere specified