Ralph H. Nielsen Jr.

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Corvallis, OR, US

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Patents Grantslast 30 patents

Information Patent Grant
Creating or removing a conductive layer on an insulator over a semi...
- Patent number 4,664,746
- Issue date May 12, 1987
- Hewlett-Packard Company
- David E. Hackleman
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Etching a layer over a semiconductor
- Patent number 4,596,627
- Issue date Jun 24, 1986
- Hewlett-Packard Company
- David E. Hackleman
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Utilizing controlled illumination for creating or removing a conduc...
- Patent number 4,454,004
- Issue date Jun 12, 1984
- Hewlett-Packard Company
- David E. Hackleman
- H01 - BASIC ELECTRIC ELEMENTS