Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880479 | Cold drawn free-machining resulfurized and rephosphorized steel bars having controlled mechanical properties and controlled machinability | Richard B. Smith, Richard L. Thompson | 1989-11-14 |
| 4741786 | Cold drawn free-machining steel bar including bismuth | Richard B. Smith, Richard L. Thompson | 1988-05-03 |