Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4864521 | Multiranging scale with blanking of rate display | — | 1989-09-05 |
| 4849918 | Weighing instrument having adaptive breakpoints | — | 1989-07-18 |
| 4809186 | Postage meter for metering mixed weight mail | Gerald C. Freeman, Raymond R. Crowley | 1989-02-28 |