"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 |
| 6536502 | Adjustable width child safety barrier A method is disclosed of installing a barrier device at a passageway. The method includes attaching a barrier housing containing a retractable barrier to a structural element on one side of the passageway, extending the barrier a desired distance from the... | 03/25/2003 |
| 6212706 | Tub-stool combination A device includes a base providing an upwardly-directed cavity having a mouth at an upper end thereof and configured to receive a portion of a child and to hold water. A lid is movably coupled to the base and movable into a tub position and a stool positi... | 04/10/2001 |