John C. Ellsworth

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New Britain, CT, US

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Patents Grantslast 30 patents

Information Patent Grant
Decorative panel and method of manufacture
- Patent number 5,123,466
- Issue date Jun 23, 1992
- John Ellsworth
- B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information Patent Grant
Inclined thermal transfer enhancement system
- Patent number 4,540,042
- Issue date Sep 10, 1985
- Thomas T. Zelek
- F28 - HEAT EXCHANGE IN GENERAL