Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4852030 | Time-of-use-meter with a calendar of cyclic events | — | 1989-07-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4852030 | Time-of-use-meter with a calendar of cyclic events | — | 1989-07-25 |