Frank L. Zampino

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Enfield, CT, US

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Patents Grantslast 30 patents

Information Patent Grant
Electron beam hole drilling apparatus
- Patent number 4,484,058
- Issue date Nov 20, 1984
- United Technologies Corporation
- Curtiss G. Howard
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method and apparatus for applying an electron beam drilling backer...
- Patent number 4,470,945
- Issue date Sep 11, 1984
- United Technologies Corporation
- Curtiss G. Howard
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR