Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6241415 | Adjustable and reusable handle for containers | — | 2001-06-05 |
| RE32189 | Railway hopper car roof support structure | Franklin P. Adler | 1986-06-24 |
| 4411371 | Hatch cover locking mechanism | Lyn D. Collier | 1983-10-25 |
| 4407203 | Railroad tank car lift lug | Wayne D. Harbin, Kenneth W. Britt | 1983-10-04 |
| 4362111 | Covered hopper car | Franklin P. Adler | 1982-12-07 |
| 4252067 | Side wall for railway hopper car | — | 1981-02-24 |
| 4250814 | Dual hopper car doors | Steve L. Suvada, Herman A. Aquino | 1981-02-17 |
| 4245565 | Cambered hatch cover seal arrangement | Clement J. Kniola | 1981-01-20 |
| 4224877 | Railway hopper car closure actuating mechanism | Ronald G. Schultz, Robert A. Spychalski | 1980-09-30 |