Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4867343 | Wild-flow loss-in-weight weighing system | John Laidlaw | 1989-09-19 |
| 4804111 | Mechanism for metering solid materials which flow in a manner similar to liquids | Mark Bober | 1989-02-14 |