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| 6015090 | Hand mountable adaptive barcode scanner |
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| 6003774 | Portable optical scanning and pointing systems |
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| 6000617 | Hand-held scanning head having auditory beeper with a changeable ... |
| 5992746 | Optical code reader wherein guide light source is turned on befor... |
| 5988509 | Refundable prepaid telephone card |
| 5984187 | Body-wearable laser scanning system with code symbol detection ... |
| 5984191 | Multiple magnetic stripe transaction cards and systems for the ... |
| 5984174 | Method of printing bar codes on pieces to deliver, and method and... |
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| 5979766 | Bar code symbol reading system having one-way RF signal-receiving... |
| 5975416 | Modulated laser data transfer |
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| 5959282 | Enhanced error handling apparatus, method, and program product fo... |
| 5952638 | Space efficient method of electronic payments |
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| 5925871 | Automatic laser projection scanner with improved laser beam scann... |
| 5925872 | Scanning system for either hand-held or stationary operation for ... |
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| 5920059 | Two-dimensional bar code scanner interface |
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