Ralph R. Trotter

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Hopewell Junction, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for controlling alignment and brightness of an...
- Patent number 4,568,861
- Issue date Feb 4, 1986
- International Business Machines Corporation
- Samuel K. Doran
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Alignment technique
- Patent number 4,546,260
- Issue date Oct 8, 1985
- International Business Machines Corporation
- Robert A. Simpson
- H01 - BASIC ELECTRIC ELEMENTS