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| Number | Title | Issue Date |
| 6832206 | Automobile parking verification system (APVS) The present invention is directed toward a method and apparatus for efficiently and accurately checking a parking facility to verify that the vehicles parked therein are legitimately parked. The present invention utilizes computer technology, various software applic... | 12/14/2004 |
| 5173850 | Apparatus and method for checking print quality of turnaround medium An apparatus and a method for managing issuance of turnaround tickets include a ticket issuing unit for issuing turnaround tickets and test tickets, a separate reading unit for reading the issued tickets, and a control unit for controlling the issuance of... | 12/22/1992 |
| 4945213 | System for issuing tickets The present invention relates to a system for issuing tickets and including means for delivering a warning signal when the remaining stock of paper falls below a given number of tickets. To do this, a strip (6) has a special mark on it together reference ... | 07/31/1990 |
