John J. Tancredi

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Neptune, NJ, US

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Patents Grantslast 30 patents

Information Patent Grant
Planar ring bar travelling wave tube
- Patent number 3,971,966
- Issue date Jul 27, 1976
- The United States of America as represented by the Secretary of the Army
- Arthur H. Gottfried
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electron-beam-bombarded, semiconductor, traveling-wave device
- Patent number 3,959,734
- Issue date May 25, 1976
- The United States of America as represented by the Secretary of the Army
- Arthur H. Gottfried
- H03 - BASIC ELECTRONIC CIRCUITRY