Issued Patents All Time
Showing 26–50 of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5473305 | Auto security system with two-stage disarming | — | 1995-12-05 |
| D355935 | Stacking filing tray | — | 1995-02-28 |
| D352786 | Massager | — | 1994-11-22 |
| D350494 | Hand-held remote control transmitter for a car alarm system | — | 1994-09-13 |
| 5298879 | Vehicle alarm system having a coded visual response | — | 1994-03-29 |
| D339825 | Vertical file | — | 1993-09-28 |
| 5216407 | Prealarm system for an anti-theft alarm | — | 1993-06-01 |
| 5207329 | Quick stacking filing trays | — | 1993-05-04 |
| 5154299 | Super-thin type file holder | — | 1992-10-13 |
| 5084697 | Error-free control circuit for alarm detectors | — | 1992-01-28 |
| D316114 | Vertical file rack | — | 1991-04-09 |
| D314791 | Security system demonstrator | — | 1991-02-19 |
| 4980666 | Two-step alarm disarming device with automatic rearming feature | — | 1990-12-25 |
| 4975678 | Car alarm control system | — | 1990-12-04 |
| 4926160 | Means for controlling power door locks with an automobile burglar alarm | — | 1990-05-15 |
| 4835518 | Active entry delay device | — | 1989-05-30 |
| 4810998 | Interruption demonstrating and multi-phase burglar detecting alarm | — | 1989-03-07 |
| D299657 | File organizer | — | 1989-01-31 |
| 4761631 | Main battery disconnection alarm and headlight warning circuit | — | 1988-08-02 |
| 4706064 | Burglar alarm with a multi-phase circuit, fail-safe control circuit, automatic rearm circuit and two-step disarming circuit | — | 1987-11-10 |
| 4700332 | Environmental interference detection device | — | 1987-10-13 |
| 4679033 | Structure of vibration sensor | — | 1987-07-07 |
| 4679031 | Device to facilitate the arming of an alarm system and to provide lock-out protection | — | 1987-07-07 |
| 4550229 | Trumpet horn speaker | — | 1985-10-29 |
| 4546629 | Safety groove of tubular locks | — | 1985-10-15 |