Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6484974 | Controller for switch machine | Raymond C. Franke, Leonard Wydotis | 2002-11-26 |
| 6366041 | Railway switch machine motor control apparatus | Raymond C. Franke | 2002-04-02 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6484974 | Controller for switch machine | Raymond C. Franke, Leonard Wydotis | 2002-11-26 |
| 6366041 | Railway switch machine motor control apparatus | Raymond C. Franke | 2002-04-02 |