Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4364203 | Modular sheet metal door structure | Reuel A. Seaholm | 1982-12-21 |
| 4348962 | Railway hopper car bolster assembly | — | 1982-09-14 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4364203 | Modular sheet metal door structure | Reuel A. Seaholm | 1982-12-21 |
| 4348962 | Railway hopper car bolster assembly | — | 1982-09-14 |