Product Concepts, Inc.

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Middlebury, CT, US

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Patents Grantslast 30 patents

Information Patent Grant
Lock with key-controlled removable and installable plug and key for...
- Patent number 4,398,405
- Issue date Aug 16, 1983
- Product Concepts, Inc.
- George P. Patriquin
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Internally illuminated switch plate
- Patent number 4,038,582
- Issue date Jul 26, 1977
- Product Concepts, Inc.
- Elwood R. Horwinski
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electrical adaptor and night light
- Patent number 4,000,405
- Issue date Dec 28, 1976
- Product Concepts, Inc.
- Elwood R. Horwinski
- F21 - LIGHTING
Information Patent Grant
Grounding type adaptor receptacle
- Patent number 3,997,225
- Issue date Dec 14, 1976
- Product Concepts, Inc.
- Elwood R. Horwinski
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

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