...that the first rickshaw was invented in 1869 by an American Baptist minister, the Rev. E. Jonathan Scobie, to transport his invalid wife around the streets of Yokohama?
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| Number | Title | Issue Date |
| 6802001 | Method of incrementally establishing an encryption key A method of determining an encryption key used by two or more parties for encrypted communications in a manner that prohibits any of the parties from forcing the final value of the encryption key. The encryption key is determined based on numbers exchanged by the pa... | 10/05/2004 |