Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4563117 | Trailer hitch retainer pin retention apparatus | John A. Krug | 1986-01-07 |
| 4429855 | Hand wheel for bottom operated tank car valve | — | 1984-02-07 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4563117 | Trailer hitch retainer pin retention apparatus | John A. Krug | 1986-01-07 |
| 4429855 | Hand wheel for bottom operated tank car valve | — | 1984-02-07 |