Richard W. Hartzell

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Cary, NC, US

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Patents Grantslast 30 patents

Information Patent Grant
Pressure regulator for steam oven
- Patent number 6,175,100
- Issue date Jan 16, 2001
- Middleby Marshall, Inc.
- Kurt S. Creamer
- A21 - BAKING EDIBLE DOUGHS
Information Patent Grant
Pressure regulator for steam oven
- Patent number 6,107,605
- Issue date Aug 22, 2000
- Middleby Marshall, Inc.
- Kurt S. Creamer
- A21 - BAKING EDIBLE DOUGHS
Information Patent Grant
Pressure regulator for steam oven
- Patent number 5,869,812
- Issue date Feb 9, 1999
- Middleby Marshall, Inc.
- Kurt S. Creamer
- F24 - HEATING RANGES VENTILATING