Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5244548 | Multi-cathode ECM apparatus, method, and product therefrom | Norbert A. Bruns, Edward C. Bruns, John S. Reynolds | 1993-09-14 |
| 5149405 | Four-axis ECM machine and method of operation | Norbert A. Bruns, John S. Reynolds | 1992-09-22 |
| 4226151 | Slitter having arbor pairs mounted on a caster supported base shiftable and orientable along the slitter frame | John J. Littley, Carl W. Koors, Frank Lengel | 1980-10-07 |