Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6593550 | Energy savings circumferential base for cooking utensils | — | 2003-07-15 |
| 6195452 | Method of authenticating negotiable instruments | — | 2001-02-27 |
| 6159034 | Safety cover for electrical outlets | — | 2000-12-12 |
| 6115871 | Toothbrush structure with multiple directional bristle portions | — | 2000-09-12 |
| 6041596 | Building structure for utilization of wind power | — | 2000-03-28 |
| 6018849 | Paper clip | — | 2000-02-01 |
| 5319897 | Amusement park ride | — | 1994-06-14 |
| 5096185 | Amusement park ride | — | 1992-03-17 |
| 4459973 | Solar panel construction for buildings | — | 1984-07-17 |
| 4345584 | Solar energy system | — | 1982-08-24 |
| 4293733 | Safety cover for electrical outlets | — | 1981-10-06 |
| 4282689 | Portable door covering for indoor heat savings | — | 1981-08-11 |
| 4196761 | Screw driver with retractable lever attachment | — | 1980-04-08 |