Roy T. Otterbein

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Phoenix, AZ, US

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Patents Grantslast 30 patents

Information Patent Grant
Capillary fin media
- Patent number 4,566,290
- Issue date Jan 28, 1986
- Arvin Industries, Inc.
- Roy T. Otterbein
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Combination direct and indirect evaporative media
- Patent number 4,544,513
- Issue date Oct 1, 1985
- Arvin Industries, Inc.
- Roy T. Otterbein
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Capillary fin media
- Patent number 4,461,733
- Issue date Jul 24, 1984
- Arvin Industries, Inc.
- Roy T. Otterbein
- F24 - HEATING RANGES VENTILATING