Shapiro; Nelson H.

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Rockville, MD, US

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Patents Grantslast 30 patents

Information Patent Grant
Processes employing iodine-iodide etching solutions
- Patent number 5,137,700
- Issue date Aug 11, 1992
- Shapiro; Nelson H.
- Hilbert Sloan
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for electronically maintaining financial records, especiall...
- Patent number 4,737,911
- Issue date Apr 12, 1988
- Shapiro; Nelson H.
- John W. Freeman
- G06 - COMPUTING CALCULATING COUNTING

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