Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6340140 | Railroad frog for switch points and crossings | — | 2002-01-22 |
| 5046907 | One-piece elastic rail mounting clip | Hans J. von Lange | 1991-09-10 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6340140 | Railroad frog for switch points and crossings | — | 2002-01-22 |
| 5046907 | One-piece elastic rail mounting clip | Hans J. von Lange | 1991-09-10 |