Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7637572 | Compactly foldable skywatcher's tripod | — | 2009-12-29 |
| 7508445 | Binocucorder | — | 2009-03-24 |
| 5881602 | Gearshift for dual derailleur bicycle | — | 1999-03-16 |
| 5492468 | Child-resistant lighter with externally biased actuator | — | 1996-02-20 |
| 5417563 | Child-resistant lighter with spring-biased, rotatable safety release | — | 1995-05-23 |
| 5289743 | Two-speed reduction geared screwdriver | — | 1994-03-01 |
| 5242297 | Child-resistant lighter | — | 1993-09-07 |
| 5215458 | Child-resistant lighter with spring-biased, rotatable safety release | — | 1993-06-01 |
| 4976218 | Prepackaged, disposable, cat litter box | — | 1990-12-11 |
| 4957261 | Copyholder/organizer | — | 1990-09-18 |
| 4830603 | Child-resistant disposable lighter | — | 1989-05-16 |
| 4201095 | Semi-automatic gearshift for dual derailleur bicycle | — | 1980-05-06 |