Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6234430 | Tool for holding a wallpaper border roll | — | 2001-05-22 |
| 6066824 | Resistance welding system with a self-contained close-loop cooling arrangement | Michael D. Crawford, Joseph L. Miller | 2000-05-23 |
| 5742022 | Industrial workcell system and method | Michael D. Crawford, Joseph L. Miller | 1998-04-21 |
| 4333664 | Recumbent vehicle | Julian M. Smith | 1982-06-08 |