Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4855945 | Portable food-constituent-amount display and calculating system, and device to operate the system | — | 1989-08-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4855945 | Portable food-constituent-amount display and calculating system, and device to operate the system | — | 1989-08-08 |