Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11279387 | Train direction detection apparatus and method | Martin Smaha | 2022-03-22 |
| 4285483 | Electronic events recording means | — | 1981-08-25 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11279387 | Train direction detection apparatus and method | Martin Smaha | 2022-03-22 |
| 4285483 | Electronic events recording means | — | 1981-08-25 |