Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5341702 | Apparatus for calibration of an angular displacement | Jeffrey Graham | 1994-08-30 |
| 5337145 | Two component straightness interferometer apparatus for measuring movements of parts of a machine | — | 1994-08-09 |
| 5313271 | Absolute gas refractometer wherein the optical path difference of said refractometer is fixed | — | 1994-05-17 |