Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6899925 | Environmentally protected outdoor devices | — | 2005-05-31 |
| 6705391 | Heat exchanger | — | 2004-03-16 |
| 6521345 | Environmentally protected outdoor devices | — | 2003-02-18 |
| 6508349 | Parking meter with electric grounding arrangement for corrosion reduction | — | 2003-01-21 |
| 6419992 | Method of protecting articles having a bare ferrous base surface | — | 2002-07-16 |
| 6203928 | Housings for parking meters and other outdoor token handling devices and method of making and refurbishing same | — | 2001-03-20 |