Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6230868 | System for metering multiple parking spaces | Gorm Tuxen, J. Michael Rodgers, Todd Magness, Paul Descombes | 2001-05-15 |
| 5841369 | Parking meter with peripheral functions | Joseph H. Sutton, Gorm Tuxen | 1998-11-24 |
| 5806651 | Coin discrimination system | Joseph H. Sutton, Daniel P. Kasuba | 1998-09-15 |
| 5805083 | Electronic parking meter operating system | Joseph H. Sutton, J. Michael Rodgers | 1998-09-08 |
| 5382780 | Portable time metering device | — | 1995-01-17 |
| 5273151 | Resonant coil coin detection apparatus | James M. Rodgers | 1993-12-28 |
| 5244070 | Dual coil coin sensing apparatus | James M. Rodgers | 1993-09-14 |
| 5184707 | Coin operated timing mechanism | John W. Van Horn | 1993-02-09 |
| 5155614 | Low-power demodulating receiver with amplifier stages sharing the same bias current | James M. Rodgers | 1992-10-13 |
| 5139128 | Chute for controlling the motion of a token moving by gravity through a token-receiving device | John W. Van Horn | 1992-08-18 |
| 5119916 | Sensor for measuring the magnetically responsive characteristics of tokens | John W. Van Horn | 1992-06-09 |
| 5109972 | Coin operated timing mechanism | John W. Van Horn | 1992-05-05 |
| 5060777 | Low-power device for sorting tokens | John W. Van Horn | 1991-10-29 |
| 5018131 | Optical switch | Govind Shah, Peter A. Basile, Stephen A. Deschaine | 1991-05-21 |
| 4904995 | Integrated remote electricity meter transponder and combination | Mark N. Bonner, Geoffrey F. Ringle, Douglas Smith, Izrail Tsals, Thomas G. Moore +1 more | 1990-02-27 |
| 4866382 | Magnetic rotary encoder system having a multi-element magnetoresistive sensor | Peter Campbell | 1989-09-12 |
| 4853631 | Magnetoresistive sensor having inter-leaved magnetoresistive elements for detecting encoded magnetic information | — | 1989-08-01 |
| 4734779 | Video projection system | Maurice Levis | 1988-03-29 |
| 4412248 | Ultrasonic image storage device and method | — | 1983-10-25 |
| 4412249 | Ultrasonic image storage device and method | — | 1983-10-25 |