Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE34749 | Apparatus for determining the distances of points on a surface from a reference axis | Donald Stewart | 1994-10-04 |
| 4937445 | Apparatus for determining the distances of points on a surface from a reference axis | Donald Stewart | 1990-06-26 |