Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6920972 | Coin fraud detection sensing system and method | Gary W. Speas | 2005-07-26 |
| 6477505 | Electronic parking meter locking system | William C. Kiehl, R. Todd Brown | 2002-11-05 |
| 6289636 | Easy parking meter post replacement without excavating the street or sidewalk | Kenneth R. White | 2001-09-18 |
| RE37193 | Low-power multi-bay parking meter | Gary W. Speas, R. Todd Brown | 2001-05-29 |
| 6098361 | Parking meter anchor system | J. Michael Roten, William C. Kiehl | 2000-08-08 |
| 5740050 | Parking enforcement system | — | 1998-04-14 |
| 5617942 | Low-power multi-bay parking meter | Gary W. Speas, R. Todd Brown | 1997-04-08 |
| 5614892 | Payment slot communicating apparatus for vendng prices | Gary W. Speas, R. Todd Brown | 1997-03-25 |
| 5135096 | Coin validating apparatus for electronic parking meter | — | 1992-08-04 |
| 4920824 | Slip clutch handle for parking meter system | — | 1990-05-01 |
| 4894887 | Eyeglass retainer | — | 1990-01-23 |
| 4881631 | Breakover handle for parking meter | — | 1989-11-21 |
| 4798273 | Parking meter anchor | — | 1989-01-17 |