Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4628171 | Mechanical feed EDM machine for making threaded and nonthreaded bores | John E. Ingalls | 1986-12-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4628171 | Mechanical feed EDM machine for making threaded and nonthreaded bores | John E. Ingalls | 1986-12-09 |