Peter J. Arnoldt

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Puce, CA

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Patents Grantslast 30 patents

Information Patent Grant
Flange type duct joint assembly and seal arrangement therefor
- Patent number 5,022,688
- Issue date Jun 11, 1991
- Ductmate Industries, Inc.
- Peter J. Arnoldt
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Flange type duct joint assembly and seal arrangement therefor
- Patent number 4,662,661
- Issue date May 5, 1987
- Ductmate Industries, Inc.
- Peter J. Arnoldt
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Flange type duct joint assembly and seal arrangement therefor
- Patent number 4,584,756
- Issue date Apr 29, 1986
- Ductmate Industries, Inc.
- Peter J. Arnoldt
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Flange type duct joint assembly and seal arrangement therefor
- Patent number 4,508,376
- Issue date Apr 2, 1985
- Ductmate Industries, Inc.
- Peter J. Arnoldt
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Flange type duct joint assembly
- Patent number 4,218,079
- Issue date Aug 19, 1980
- Ductmate Industries, Inc.
- Peter J. Arnoldt
- F24 - HEATING RANGES VENTILATING