John Graef

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Middleburg Heights, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Tie fastener
- Patent number 5,216,785
- Issue date Jun 8, 1993
- Tie-Pro, Inc.
- John Graef
- A41 - WEARING APPAREL
Information Patent Grant
Handle extension
- Patent number 4,683,610
- Issue date Aug 4, 1987
- Universal Extension Corporation
- John O. Richards
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS