Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4871038 | Combinational weighing systems | Robert Tansley | 1989-10-03 |
| 4807711 | Weighing hoppers | Kennedy M. O'Brien, Keith E. Dunton, Peter E. Newley, Michael Headlam Purser, Robert Tansley | 1989-02-28 |
| 4701747 | Data input system including a keyboard having no moving parts | Andrew R. Gibbs | 1987-10-20 |