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"Flight by machines heavier than air is unpractical and insignificant, if not utterly impossible."
Simon Newcomb, astronomer ; Said in 1902, less than two years before the first flight at Kitty Hawk
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| Number | Title | Issue Date |
| 7229237 | Tool for removing an object from a workpiece A tool for removing an object from a hole in a workpiece which includes a first and second arm pivotably connected together. Each arm having an opening between the ends. The second arm also has a drill hole at the second end. A liner bushing and a drill bushing can ... | 06/12/2007 |
| 7210880 | Lock set installation apparatus and kit and method of using the same A lock set installation apparatus has a pair of hole saw guides which locate a hole to receive door operating members of a lock set. Each hole saw guide has at least one rail member which oppose one another. A lock bolt hole mechanism is movable and coupled with the... | 05/01/2007 |
| 6247238 | Laser marking device A laser marking device for marking a reference point with laser light so that accurate measurements can be made to that point. The laser marking device includes a support bar that has first and second ends and a longitudinal axis extending between the fir... | 06/19/2001 |
| 5291663 | Trim marking tool A trim marking tool is disclosed which utilizes a plurality of pins located in a slot and movable therein such that the pins can be aligned to conform to measurements taken. The pins are locked into position and a sheet material is placed on a base of the... | 03/08/1994 |
| 5193285 | Mechanical shape sensor and data recorder A mechanical shape sensor measures and provides a two-dimensional representation of the contour of a person's thighs and buttocks or the dorsal and lateral surfaces of a person's trunk for facilitating the fabrication of custom contoured seat cushions suc... | 03/16/1993 |
| 5095636 | Fabric cover marking device and method A fabric cover marking device is for marking the location on a fabric cover for a female fastener portion engageable with a complementary male fastener portion mounted on a structure to be covered, for example a boat. The device comprises a socket portion... | 03/17/1992 |
| 5042166 | Fabric cover marking device and method A fabric cover marking device is for marking the location on a fabric cover for a snap socket engageable with a snap stud mounted on a structure to be covered. The device comprises a socket portion and a pin portion. The socket portion has a front side re... | 08/27/1991 |
| 4791732 | Adjustable marking gauge An adjustable marking gauge provides an x-y adjustment capability especially adapted to enable conventional drawer and cabinet hardware to be conveniently mounted. The marking gauge includes a body portion in the form of a rectangular block from which an ... | 12/20/1988 |
| 4532718 | Plumbing apparatus A plumbing apparatus including a circular spirit level attached to a straight edge body adapted to carry a reference point vertically wherein the level is large enough to span a hole in the floor with marking guides on the periphery to fix lines that pass... | 08/06/1985 |
| 4299031 | Plotting device This disclosure relates to a multiple head for a remotely controllable plotting device in which a body carries a plurality of pen carriers each of which in turn carries a pen having a tip, each pen carrier including a hollow bobbin of non-magnetic materia... | 11/10/1981 |
| 4270276 | Metal working tool A workpiece layout tool for precisely but expeditiously marking a plurality of points to be machined along the workpiece. A slide housing has parallel internal longitudinal grooves which allow the insertion of a slide bar, allowing longitudinal movement o... | 06/02/1981 |
| 4144651 | Material marker A device for marking opposite sides of a double-layer of materials for clothing or the like having a pair of tongs with an upper arm positioned between a transparent or translucent pattern and the upper layer of the material, and a lower arm positioned be... | 03/20/1979 |
| 3940857 | Cut-out locations marking method, means, and method of forming said means The methods and means are concerned with processes and devices useful in marking wallboard, paneling, and the like for the accurate definition of the limits of cut-outs to be formed to receive outlet boxes, switch boxes, and the like. In the preferred emb... | 03/02/1976 |
