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 |
| 7334713 | Rack support assembly for an ATV A rack support assembly for an ATV for a rack and shock assembly that is removably attachable to a hitch and rack posts of an all terrain vehicle. The assembly comprises an upper bar and a lower bar. A pair of shock absorbers is coupled to and extends between the up... | 02/26/2008 |
| 7219452 | Trench wheel apparatus and method of use A trench wheel has a relatively thicker wheel center and gradually tapering side walls that produce a thinner wheel as distance from the hub increases. The wheel center is preferably fabricated from stamped metal into a hat or thimble shape, and has a skirt or brim ... | 05/22/2007 |
| 7197864 | Transport arrangement for an agricultural machine having a detachable front attachment An agricultural machine, such as a self-propelled harvester, includes an attachment that is removably mounted to the machine. A transport device is adapted to be removably mounted onto the attachment to support the attachment during road transport of the machine. A ... | 04/03/2007 |
| 7108075 | Seedbed preparation implement having rotary disc with adjustable gang angle A disc gang is provided that is suitable for use as part of a multifunctional seedbed preparation implement or in a standalone disc harrow. The disc gang is configured to permit a gang angle of the disc gang to be adjusted to accommodate differing soil conditions an... | 09/19/2006 |
| 7100704 | Implement mounting trailer An implement support unit for cooperating with an implement-mounting device for an implement for mounting the implement on a trailer unit. Preferably, the support unit is a three point hitch type support unit. ... | 09/05/2006 |
| 7063169 | Vehicle front-end quick connect hitch and lift assembly A hitch and adapter assembly for connecting an implement to the front end of vehicles such as all terrain vehicle providing a rigid connection with limited motion for reduced vibration operation. The hitch has two spaced apart sockets on a rigid frame that pivotally... | 06/20/2006 |
| 7000708 | Seedbed preparation implement having rotary disc with adjustable gang angle A disc gang is provided that is suitable for use as part of a multifunctional seedbed preparation implement or in a standalone disc harrow. The disc gang is configured to permit a gang angle of the disc gang to be adjusted to accommodate differing soil conditions an... | 02/21/2006 |
| 5746275 | Three-point hitch for an all terrain vehicle A three-point hitch for an all terrain vehicle (ATV) comprising a mounting frame which is attached to the axle housing of the ATV. The mounting frame is supported on the tongue hitch of the ATV and is attached to the body of the ATV so that the rear suspe... | 05/05/1998 |
| 4257487 | Water stop attachment and border disc The device comprises a transverse frame member having depending border disc mounts. The transverse frame member also has a hitch extending forwardly therefrom for attachment to a three point hitch on a tractor. The water stop attachment has a ladder type ... | 03/24/1981 |
| 3995697 | Weight transfer unit A tillage implement behind a farm tractor is picked up at the center of gravity, therefore, transferring weight to the rear wheels of the tractor while not changing the setting or balance of the tillage implement.... | 12/07/1976 |
