Palmer P. Derby

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Weston, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Microwave cooking utensil
- Patent number 4,398,077
- Issue date Aug 9, 1983
- Raytheon Company
- George Freedman
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Anode assembly for electron discharge devices
- Patent number 4,179,639
- Issue date Dec 18, 1979
- Raytheon Company
- Palmer P. Derby
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Anode assembly for electron discharge devices
- Patent number 4,056,756
- Issue date Nov 1, 1977
- Raytheon Company
- Palmer P. Derby
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Microwave heating apparatus with browning feature
- Patent number 3,946,188
- Issue date Mar 23, 1976
- Raytheon Company
- Palmer P. Derby
- F24 - HEATING RANGES VENTILATING