Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D552256 | Scaffold clamp | — | 2007-10-02 |
| D523322 | Scaffold hinge | Tony Lima | 2006-06-20 |
| D512516 | Guardrail | — | 2005-12-06 |
| D490163 | Ladder construction | — | 2004-05-18 |
| 4224983 | Heat exchange apparatus for a reactor | John D. McDaniels, Jr., Paul R. Gertsch | 1980-09-30 |