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 |
| 7231949 | Wheel and tire assembly for recreational vehicles A wheel and tire assembly for recreational vehicles, such as mountainboards, motorized carts and pedaled carts is provided. The tire comprises a tire made of substantially inelastic material that will not stretch under a load. Thus, the tire will flatten under a loa... | 06/19/2007 |
| 5053095 | Method for constructing a wheel and low profile solid rubber tire A wheel and tire assembly with a solid rubber tire for use on heavy construction equipment. The assembly comprises a mounting disc, a large diameter rim, having a cylindrical surface, rigidly affixed to the mounting disc and having actually opposed periph... | 10/01/1991 |
| 4566515 | Wheel and solid tire assembly having locking ring A wheel and tire assembly for a vehicle, including a solid rubber tire, and a wheel body, one or both edges of which are provided with a circumferential groove for receiving a retaining ring for the solid tire. In order to be able to repeatedly mount the ... | 01/28/1986 |
| 4265037 | Device for assembling tools on a wheel, particularly cutting tools on a trenching machine The present invention provides a device for assembling tools on a wheel. Stop pins fixed to the wheel cooperate with radial wedges to maintain tool-bearing sectors in a disc formation on the wheel. The pins and the radial wedges are located between adjace... | 05/05/1981 |
