Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6489934 | Cellular phone with built in optical projector for display of data | — | 2002-12-03 |
| 5572576 | Telephone answering device linking displayed data with recorded audio message | Robert Hotto | 1996-11-05 |
| 5524140 | Telephone answering device linking displayed data with recorded audio message | Robert Hotto | 1996-06-04 |
| 5390236 | Telephone answering device linking displayed data with recorded audio message | Robert Hotto | 1995-02-14 |
| 5375018 | Location acquisition and time adjusting system | Robert Hotto | 1994-12-20 |
| 5283818 | Telephone answering device linking displayed data with recorded audio message | Robert Hotto | 1994-02-01 |
| 5068838 | Location acquisition and time adjusting system | Robert Hotto | 1991-11-26 |
| 4304968 | Telephone electronic answering device | Robert Hotto | 1981-12-08 |