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 |
| 7316388 | Connector and webbing arrangement A webbing connector comprises first and second inter-engageable components (44, 46) and connecting means (58) co-operable with the components (44, 46) to secure the components (44, 46) to one another. The connecting means may comprise a c... | 01/08/2008 |
| 7234688 | Lockable hinged fastener A fence pole clip, comprising two clip sections, the sections having portions configured to conformingly attach to two fence poles, and means swingably interconnecting the sections between the end portions, whereby the sections can be relatively swung to allow posit... | 06/26/2007 |
| 7093824 | Portable fencing system and components therefor A portable fencing system in a barricade or corridor arrangement utilizes at a minimum one each of a corner post fixture, and a fence wire. In an enclosure arrangement, the portable fencing system can utilize at least one winch corner fixture, a plurality of corner ... | 08/22/2006 |
| 6929252 | Implement for demarcating an area, as well as a vehicle suitable for being used in said implement An apparatus for demarcating an area for restricting the freedom of movement of animals that may be in the area for grazing purposes. The demarcation element, as such, may be a cord, band, ribbon, strip, cable, rope or electrified or communication wire which may be ... | 08/16/2005 |
| 6866252 | Portable fencing system and components therefor A portable fencing system in a barricade or corridor arrangement utilizes at a minimum one each of a corner post fixture, and a fence wire. In an enclosure arrangement, the portable fencing system can utilize at least one winch corner fixture, a plurality of corner ... | 03/15/2005 |
| 6776398 | Belt post structure A belt post includes a post with a box on a top of the post and a reel of belt is received in the box. A spring box is engaged with the top of the box and the mandrel of the reel is engaged with the spring. A head assembly is connected to a distal end of the belt an... | 08/17/2004 |
| 6648305 | Fence tensioner A tensioner device for applying tension to a flexible fence slat includes a bracket assembly having attachment webs for attachment to a fence post and a pair of vertically spaced, horizontally oriented flanges. A tensioning cylinder is mounted for rotatio... | 11/18/2003 |
| 6622436 | Goose barrier A method of deterring to waterfowl trespass onto a real estate property, particularly a property bordering onto a body of water inhabited by geese, and an effective barrier for doing so, is disclosed. The barrier consists in its simplest form as a pair of... | 09/23/2003 |
| 6520487 | Mounting bracket assembly for tensioning of electrified tape A retainer bracket for mounting on a fence post and for tensioning and support of a strip of fencing material includes a plate which is attached to the fence post, first and second support arms projecting outwardly from the plate and a rotatable bolt havi... | 02/18/2003 |
| 6343778 | Isotropically articulating fence system A fencing system which can resiliently articulate from an upright position, perpendicular to the ground, to a flattened position, parallel with the ground, is described. The fence system comprises at least two fence posts, where at least one fence post is... | 02/05/2002 |
| 6257558 | Reel for dispensing and collecting electrified wire An apparatus for protecting the gate of an animal enclosure with an electrified wire that also extends along fencing includes a reel that dispenses and collects the wire to minimize the possibility of shock during gate opening and closing procedures. A ho... | 07/10/2001 |
| 5649690 | Movable fence post system A highly portable fence post support system has a base member presenting a support face configured for engaging the surface of the ground for supporting the base member on the ground in a support position, and an anchoring device configured for insertion ... | 07/22/1997 |
| 5170536 | Tensioner and barb for wire fence A tool for tensioning a fence wire winds the fence wire around a barb-like article that remains in the fence after the tool has been removed. The barb-like article includes a first piece of wire that is substantially rigid and that extends parallel to but... | 12/15/1992 |
| 4700434 | Line tightening mechanism A circular disk having a tool actuable projection on one face and a threaded stud projecting from the other face. A slit formed in the threaded stud that cooperates with a threaded receiving tool held disk. The threaded stud is placed over a line with the... | 10/20/1987 |
| 4214733 | Device for tensioning corona-discharge wires A device for tensioning the corona-discharge wires of e.g. electrostatic copiers has an internally toothed sleeve member in which an externally toothed clamping member is turnably received. Both members have openings transverse to the longitudinal axis of... | 07/29/1980 |
| 4171796 | Utility winch A utility winch that will allow wire, rope, or cable to be stretched. The winch includes a yoke frame with two holes to receive an internally driven, journalled drum to which the rope, cable, or wire is wound. A locking device fixes the drum with respect ... | 10/23/1979 |
| 4057221 | Wire tightening tool A tool for stretching the individual wire strands of a fence from a slack into a taut condition. The tool is left attached to the tightened wire and can subsequently be employed to further tighten or loosen the wire. The tool has a plurality of slots arra... | 11/08/1977 |
