Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5508600 | Method for displaying a charge level of a battery | Rafael Heredia | 1996-04-16 |
| 5477129 | Charge level display method and apparatus for a battery of an electronic device | — | 1995-12-19 |
| 5406188 | Method and apparatus for displaying a charge level of a battery | Rafael Heredia | 1995-04-11 |
| 4582959 | Message waiting alerting method | Paul L. Richman | 1986-04-15 |