Did You Know...
...Chester Carlson was a patent agent who tired of having to make multiple copies of patent applications using the only duplication method available at the time: carbon paper. In 1959 he came up with a new copying system and took it to IBM for evaluation. The "experts" at IBM determined potential sales to be only 5,000 units because people wouldn't want to use a bulky machine when they had carbon paper. Carlson's invention was the xerography process, the company founded on the system is Xerox.
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| Number | Title | Issue Date |
| 6499747 | Rocking cycle The present invention relates to a manually powered vehicle, such as a child's ride-on toy. The vehicle is powered by a rocking, or up-and-down, motion of the rider. The rocking motion is mechanically translated into a force for propelling the ride-on veh... | 12/31/2002 |
| 4971342 | Animal figure velocipede An equine animal figure velocipede in the form of a tricycle, having a head member and front legs member fixably attached to a rod means so that the head and legs members rotate in parallelism about the front portion of the main body of the velocipede. A ... | 11/20/1990 |
| 4906012 | Self-propelled quadrupedal toy The present invention is related to a self-propelled quadrupedal toy and, more particularly to a quadrupedal toy (toy horse, dog or deer etc.) having a driving mechanism equipped with two protruding handlebars for the rider (children) to operate to let th... | 03/06/1990 |
| 4546989 | Toy animal vehicle A toy animal vehicle for riding by a child, having a mainframe structure with a seat supported by struts and a forward tongue member. A pair of rear wheels are mounted on an axle journaled in the struts. A substantially hollow contoured animal body of org... | 10/15/1985 |
