Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D439686 | U.S. style adjustable night light | Tor Petterson | 2001-03-27 |
| D431873 | European style adjustable night light | Tor Petterson | 2000-10-10 |
| 4855723 | Audio-visual alarm system with address display | Marlene Fritz, Betty J. Love, Mary Sweeney | 1989-08-08 |