Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6643894 | High efficiency vacuum cleaning apparatus and method | — | 2003-11-11 |
| 5942753 | Infrared remote sensing device and system for checking vehicle brake condition | — | 1999-08-24 |
| 4197453 | Optical pattern tracer | Robert E. Parker | 1980-04-08 |
| 4190235 | Fluidized bed ladle heating method and apparatus | — | 1980-02-26 |