Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4902173 | System and filter for preventing contamination of particulate material in railroad car during transportation and unloading | Alfred W. Hendee, Michael A. Click | 1990-02-20 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4902173 | System and filter for preventing contamination of particulate material in railroad car during transportation and unloading | Alfred W. Hendee, Michael A. Click | 1990-02-20 |