Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12195927 | Rail switch heater | Jimmy Hjort Andersson | 2025-01-14 |
| 11725347 | Rail switch heater | Jimmy Hjort Andersson | 2023-08-15 |
| 10858787 | Rail switch heater | Jimmy Hjort Andersson | 2020-12-08 |
| 7557748 | Methods and apparatus for measuring navigational parameters of a locomotive | Charles Zahm, William L. Matheson | 2009-07-07 |
| 5129063 | Data processing station and an operating method | John P. Sainola, William H. Ackerman, Jr., Carl R. Herbermann, Richard V. MacMillan | 1992-07-07 |