Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5883680 | Remote control of a television receiver with locator feature or the like | — | 1999-03-16 |
| D388792 | Television remote control | — | 1998-01-06 |
| 5357560 | Adaptable alarm interface unit for use with electronic automobile alarm systems and the like | — | 1994-10-18 |
| 5315285 | Alarm system for sensing and vocally warning a person approaching a protected object | — | 1994-05-24 |
| 5117217 | Alarm system for sensing and vocally warning a person to step back from a protected object | — | 1992-05-26 |
| 4987402 | Alarm system for sensing and vocally warning of an unauthorized approach towards a protected object or zone | — | 1991-01-22 |
| 4897630 | Programmable alarm system having proximity detection with vocal alarm and reporting features | — | 1990-01-30 |
| 4794368 | Programmable automobile alarm system having vocal alarm and reporting features | Edward Grossheim | 1988-12-27 |