Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6367358 | Driver for threaded fasteners with spiral drive | — | 2002-04-09 |
| 6234914 | Punch for forming threaded fasteners with spiral drive | — | 2001-05-22 |
| 5957645 | Spiral drive system for threaded fasteners | — | 1999-09-28 |
| 4808079 | Magnetic pump for ferrofluids | Christopher J. Crowley | 1989-02-28 |
| 4357932 | Self pumped solar energy collection system | — | 1982-11-09 |