Did You Know...
...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 |
| 5399979 | Capacitance probe assembly The assembly comprises an electrically insulated linear array of a plurality of active plates working in conjunction with common return plate means to provide a line of capacitors. The electrically insulated active plate array and common return plate mean... | 03/21/1995 |
| 4884643 | Downhole adjustable bent sub A downhole adjustable bent sub is provided for use in a drilling process in which a drill bit is subjected to a drilling force. The bent sub has a tubular housing and a tubular mandrel. The tubular housing has a bend along its length to define an upper pa... | 12/05/1989 |
