John W. Hardy

Follow

Person

Lexington, MA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Variable shear A. C. interferometer
- Patent number 6,304,325
- Issue date Oct 16, 2001
- Raytheon Company
- John W. Hardy
- G01 - MEASURING TESTING
Information Patent Grant
Wavefront sensor using a surface acoustic wave diffraction grating
- Patent number 4,474,467
- Issue date Oct 2, 1984
- Itek Corporation
- John W. Hardy
- G02 - OPTICS
Information Patent Grant
Integrated wavefront compensator
- Patent number 4,472,029
- Issue date Sep 18, 1984
- Itek Corporation
- John W. Hardy
- G01 - MEASURING TESTING
Information Patent Grant
Wavefront sensor with astigmatic optics
- Patent number 4,441,019
- Issue date Apr 3, 1984
- Itek Corporation
- John W. Hardy
- G01 - MEASURING TESTING
Information Patent Grant
Wavefront sensor employing a modulation reticle
- Patent number 4,438,330
- Issue date Mar 20, 1984
- Itek Corporation
- John W. Hardy
- G02 - OPTICS