Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11285979 | Non-powered shunting and track circuit disconnect mechanism for railway switch machine, railway switch machine and railway switching system including same | Brian C. Berke, Frank Durkac | 2022-03-29 |
| 8289734 | Output apparatus to output a vital output from two sources | James P. Brown, John E. Lemonovich, James C. Werner, Lawrence A. Weber, William A. Sharp | 2012-10-16 |