"I think there is a world market for maybe five computers."
Thomas Watson, chairman of IBM ; 1943
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| Number | Title | Issue Date |
| 4015668 | Power cultivator apparatus A power cultivator apparatus being a self propelled device having structure for supporting a tool member thereon for earthworking operations in a limited space or area requirement such as cultivating a single row at a time. More particularly, the power cu... | 04/05/1977 |