Charles W. Lewis

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Pittsburgh, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Fabricating laminated safety glass without an autoclave
- Patent number 4,341,576
- Issue date Jul 27, 1982
- PPG Industries, Inc.
- Charles W. Lewis
- B32 - LAYERED PRODUCTS
Information Patent Grant
Laminated windshield with improved innerlayer
- Patent number 4,153,526
- Issue date May 8, 1979
- PPG Industries, Inc.
- Joseph Cherenko
- B32 - LAYERED PRODUCTS
Information Patent Grant
Laminated windshield with improved innerlayer
- Patent number 4,109,055
- Issue date Aug 22, 1978
- PPG Industries, Inc.
- Joseph Cherenko
- B32 - LAYERED PRODUCTS
Information Patent Grant
Laminated windshield with improved innerlayer
- Patent number 4,039,720
- Issue date Aug 2, 1977
- PPG Industries, Inc.
- Joseph Cherenko
- B32 - LAYERED PRODUCTS
Information Patent Grant
Impact-resistant glass-polyesterurethane laminates
- Patent number 4,010,311
- Issue date Mar 1, 1977
- PPG Industries, Inc.
- Charles W. Lewis
- B32 - LAYERED PRODUCTS