Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5552594 | Focus detecting system using a beam splitter to form an image at nominal best focus, slightly in front of best focus and slightly behind best focus | Thomas W. Dey, James R. Olson | 1996-09-03 |
| 5155544 | Foucault method for testing an optical surface | Thomas W. Dey, William D. Humbel, John G. Pitek | 1992-10-13 |
| 5020905 | Application of the Foucault knife-edge test to a segmented optic | Thomas W. Dey, Edward M. Granger, John G. Pitek, William D. Humbel | 1991-06-04 |
| 4993831 | Closed loop Foucault knife-edge test | William D. Humbel, Thomas W. Dey, John G. Pitek | 1991-02-19 |
| 4993823 | Method for correction of distortions of an imaging device | William E. Schaffer, Jr., Donald A. Jacques | 1991-02-19 |
| 4979819 | Foucault knife-edge test for quantitatively determining a wavefront aberration over the entire surface of an optical imaging device | William D. Humbel, Thomas W. Dey, John G. Pitek | 1990-12-25 |
| 4969737 | Expanded foucault knife-edge test for quantitatively testing an optical imaging device | William D. Humbel, John G. Pitek, Thomas W. Dey | 1990-11-13 |
| 4933872 | Method and system for wavefront reconstruction | John C. Weaver, Harold J. Liff, Thomas Charles Antognini | 1990-06-12 |
| 4875764 | Assembly for correction of distortions of a mirror | Philip F. Marino | 1989-10-24 |
| 4875765 | Method for correction of distortions of a mirror | Donald A. Jacques, William E. Schaffer, Jr. | 1989-10-24 |