Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4397491 | Portable vacuum object handling device | — | 1983-08-09 |
| 4254586 | Time cycle control system for vibratory finishing machines | David R. Nelson, Richard T. Fetterly | 1981-03-10 |
| 4241545 | Separating and unloading device for vibratory finishing machines | Steven R. Johnson | 1980-12-30 |
| 4228619 | Vibratory finishing machine | — | 1980-10-21 |
| 4205487 | Workpiece holding apparatus for spindle finishing machines and the like | John Cicha, Steven R. Johnson | 1980-06-03 |