| 5371840 |
Polygon tiling engine |
Douglas A. Fischer, Douglas E. Thorpe |
1994-12-06 |
| 5287436 |
Polygon sort engine |
Douglas A. Fischer, Bradley D. Peterson, Glenn Courtright |
1994-02-15 |
| 4771529 |
Apparatus for tramming railway trucks |
Richard B. Polley, Dallas L. Schmitt |
1988-09-20 |
| 4760799 |
Lightweight railway vehicle truck |
Richard B. Polley, Dallas L. Schmitt |
1988-08-02 |
| 4648326 |
Radial axle railway truck with axle couplings at sides transversely interconnected with each other |
— |
1987-03-10 |
| 4625653 |
High adhesion railway power truck with body spring-supported on the truck structure |
— |
1986-12-02 |
| 4562775 |
Railway vehicle with end and intermediate trucks |
W. Clifford Jones, John L. Schauster |
1986-01-07 |
| 4546706 |
Equipment mounting structure for inside bearing railway car trucks |
Eugene L. Benner, Richard B. Polley, James J. Wickman |
1985-10-15 |
| 4538525 |
Four-wheel passenger car truck |
James J. Reece |
1985-09-03 |
| 4429637 |
Railway vehicle truck |
Dallas L. Schmitt, John L. Schauster |
1984-02-07 |
| 4428301 |
Radial axle railway truck |
— |
1984-01-31 |
| 4258629 |
Braking and steering radial truck |
James J. Reece, Kenneth E. Spencer |
1981-03-31 |
| 4237791 |
Radial axle railway truck disc brakes |
James J. Reece |
1980-12-09 |
| 4238006 |
Radial axle truck disc brakes |
William C. Jones, Jr., Kenneth E. Spencer |
1980-12-09 |
| 4231296 |
Three-truck high adhesion locomotive |
— |
1980-11-04 |