Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4372488 | Level crossing for railroads and method of fabricating the same | Gerhard Hartl | 1983-02-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4372488 | Level crossing for railroads and method of fabricating the same | Gerhard Hartl | 1983-02-08 |