Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4487535 | Gear shaping machine | Stuart J. Johnson | 1984-12-11 |
| 4479745 | Hobbing machine | Stuart J. Johnson | 1984-10-30 |
| 4431351 | Shape generation by orbiting a rotating shaping cutter | Stuart J. Johnson, Edward W. Haug | 1984-02-14 |
| 4427324 | Method of shape generation by orbiting a rotating hob | Stuart J. Johnson, Edward W. Haug | 1984-01-24 |
| 4360296 | Hobbing apparatus with orbiting hob | Stuart J. Johnson, Edward J. Haug | 1982-11-23 |
| 4325189 | Method and apparatus for checking a gear | Stuart J. Johnson, Edward W. Haug | 1982-04-20 |