Timothy E. Johnson

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Newton Center, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Aqueous heat-storage compositions containing fumed silicon dioxide...
- Patent number 4,237,023
- Issue date Dec 2, 1980
- Massachusetts Institute of Technology
- Timothy E. Johnson
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Heat absorbing panel
- Patent number 4,178,727
- Issue date Dec 18, 1979
- Architectural Research Corporation
- Richard C. Prusinski
- F24 - HEATING RANGES VENTILATING