Dwight M. Prosser

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Mansfield, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Window and sash balance
- Patent number 4,190,930
- Issue date Mar 4, 1980
- Dwight M. Prosser
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Window and sash balance
- Patent number 4,078,336
- Issue date Mar 14, 1978
- Dwight M. Prosser
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES