| 11213198 |
System and method for the rapid measurement of the visual contrast sensitivity function |
Gregory A. Williby |
2022-01-04 |
| 10416039 |
Interferometer having a reference fluid tank with a prism and a motion matching window for characterizing a contact lens |
James W. Haywood, Kyle Heideman, Russell T. Spaulding, Gregory A. Williby |
2019-09-17 |
| 10362934 |
System and method for the rapid measurement of the visual contrast sensitivity function |
Gregory A. Williby |
2019-07-30 |
| 10288522 |
Characterizing the surface of a contact lens with an immersed reference prism |
James W. Haywood, Kyle Heideman, Russell T. Spaulding, Gregory A. Williby |
2019-05-14 |
| 10145757 |
Measuring ophthalmic lens using a prism with phase shifting mirror and a fluid in reference arm |
James W. Haywood, Kyle Heideman, Russell T. Spaulding, Gregory A. Williby |
2018-12-04 |
| 9655511 |
Apparatus and method to obtain clinical ophthalmic high order optical aberrations |
Bruce M. Pixton, Gregory A. Williby, Russell T. Spaulding |
2017-05-23 |
| 8641194 |
System for in vivo analysis of tear film in the human eye via phase shifting interferometry |
Brian C. Primeau, James W. Haywood, Gregory A. Williby |
2014-02-04 |
| 8427636 |
Cuvette for ophthalmic lens |
Simon Prince, Michael Sherwood, Robert E. Fischer, Syed Tariq Shafaat, Shawn Mulcahey +6 more |
2013-04-23 |
| 7688453 |
Interferometry testing of lenses, and systems and devices for same |
Gregory A. Williby, Russell T. Spaulding, Larry G. Jones, James W. Haywood |
2010-03-30 |
| 6341181 |
Mid-spatial frequency digital boost filter |
Andrew E. Lowman |
2002-01-22 |
| 5075560 |
Moire distance measurements using a grating printed on or attached to a surface |
Russell J. Palum |
1991-12-24 |
| 5075562 |
Method and apparatus for absolute Moire distance measurements using a grating printed on or attached to a surface |
Russell J. Palum, Kevin Sullivan |
1991-12-24 |
| 4988886 |
Moire distance measurement method and apparatus |
Russell J. Palum |
1991-01-29 |
| 4987496 |
System for scanning halftoned images |
— |
1991-01-22 |
| 4794550 |
Extended-range moire contouring |
— |
1988-12-27 |
| 4791584 |
Sub-nyquist interferometry |
— |
1988-12-13 |
| 4575193 |
Optical spatial frequency filter |
— |
1986-03-11 |
| 4460259 |
Single lens rangefinder device having light emitter and detector |
David Lambeth, James W. Meyer |
1984-07-17 |
| 4331877 |
Transverse tomography with optical filtering |
Harrison H. Barrett, William Swindell, Scott Gordon |
1982-05-25 |
| 4329588 |
Polarization switched optical filtering for transverse tomography |
Harrison H. Barrett, William Swindell |
1982-05-11 |
