Mark A. Gelo

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Concord, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Electrode holder assembly
- Patent number 4,688,437
- Issue date Aug 25, 1987
- Orion Research, Inc.
- David Becker
- G01 - MEASURING TESTING
Information Patent Grant
Method for manufacturing an ion-sensitive electrode
- Patent number 4,687,500
- Issue date Aug 18, 1987
- Orion Research Inc.
- Mark A. Gelo
- G01 - MEASURING TESTING
Information Patent Grant
Electrode friction chuck
- Patent number 4,667,523
- Issue date May 26, 1987
- Orion Research Inc.
- David Becker
- G01 - MEASURING TESTING
Information Patent Grant
Fluid electrode and method of making
- Patent number 4,661,236
- Issue date Apr 28, 1987
- Orion Research, Inc.
- Mark A. Gelo
- G01 - MEASURING TESTING