| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 4 | |
| #2 | France | 3 | |
| #3 | Germany | 2 | |
| #4 | Italy | 2 | |
| #5 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Computer technology | |
| #3 | Machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Dulebohn David H | 3 |
| #2 | Landy Jun Arney | 2 |
| #3 | Landy A | 2 |
| #4 | Brandt Roy E | 1 |
| #5 | Dulebohn D | 1 |
| #6 | Brandt R | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US3849624A | Wire electrode electric erosion device | |
| US3832544A | Line tracing apparatus | |
| US3614372A | Tracer controlled machining by electrically induced erosion | |
| US3493762A | Tracing machine having tool offset independent of the scanning head |