Ronald L. Lapinsky

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Laureldale, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Selective metal etching of two gold alloys on common surface for se...
- Patent number 4,251,621
- Issue date Feb 17, 1981
- Bell Telephone Laboratories, Incorporated
- Phillip E. Fraley
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY