Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4375839 | Measuring device for weighing vehicle cargo | John J. Manning, Ralph M. Richart | 1983-03-08 |
| 4371790 | Fluid measuring system | John J. Manning, Ralph M. Richart | 1983-02-01 |