Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D419708 | Housing for an emergency lighting device | Joseph M. LaRosa, John E. Studer | 2000-01-25 |
| D406279 | Combination emergency lighting device and exit sign | Joseph M. LaRosa, David Evarts, Joseph S. Wegrzyn, John E. Studer | 1999-03-02 |
| D400991 | Emergency lighting heads | Joseph M. LaRosa, John E. Studer | 1998-11-10 |
| D400995 | Emergency lighting fixture | Joseph M. LaRosa, John E. Studer | 1998-11-10 |