Michael M. Roberts

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Leawood, KS, US

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Patents Grantslast 30 patents

Information Patent Grant
Air delivery system for hospital rooms and the like
- Patent number 4,489,881
- Issue date Dec 25, 1984
- Tempmaster Corporation
- Raymond H. Dean
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Method and device for reducing noise
- Patent number 4,068,736
- Issue date Jan 17, 1978
- Tempmaster Corporation
- Raymond H. Dean
- G10 - MUSICAL INSTRUMENTS ACOUSTICS