"The Americans have need of the telephone, but we do not. We have plenty of messenger boys."
Sir William Preece, chief engineer, British Post Office ; 1878
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| Number | Title | Issue Date |
| 5542487 | Portable compact multi-function printer with cartridge paper supply A data system includes a portable printer unit and a portable data collection terminal. The printer unit and the data collection terminal are communicatively coupled by a data link which may be a low power radio frequency data link, or it may be a standar... | 08/06/1996 |