Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4862493 | Electronic remote data recorder for electric energy metering | Krishnan Venkataraman | 1989-08-29 |
| 4811389 | Parallel off hook detector for electronic remote data recorder | — | 1989-03-07 |