Leon L. Lewis

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Butler Township, Butler County, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Can-making lubricant
- Patent number 4,474,669
- Issue date Oct 2, 1984
- United States Steel Corporation
- Leon L. Lewis
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Can-making method
- Patent number 4,411,145
- Issue date Oct 25, 1983
- United States Steel Corporation
- Leon L. Lewis
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Tab for easy-open can end
- Patent number 4,215,794
- Issue date Aug 5, 1980
- United States Steel Corporation
- Leon L. Lewis
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL