Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4233590 | Supplemental energy register | Robert Gilkeson | 1980-11-11 |
| 4207557 | User electric energy consumption apparatus | Robert Gilkeson | 1980-06-10 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4233590 | Supplemental energy register | Robert Gilkeson | 1980-11-11 |
| 4207557 | User electric energy consumption apparatus | Robert Gilkeson | 1980-06-10 |