John E. Shenken

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Des Moines, IA, US

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Patents Grantslast 30 patents

Information Patent Grant
Deer warning
- Patent number D390147
- Issue date Feb 3, 1998
- Cobbs Manufacturing Company
- Jerome J. Hartmann
- D10 - Measuring, testing, or signalling instruments
Information Patent Grant
Covered vanity mirror
- Patent number D278558
- Issue date Apr 23, 1985
- John E. Shenken
- D06 - Furnishings