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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 |
| 5458171 | Apparatus for cutting tenon and mortise interlocking joints An apparatus for making tenons and mortises includes a table with a first opening in the top surface thereof. The top surface is disposed for receiving a sliding base assembly for a cutting device having a second opening therein. A work-piece holding asse... | 10/17/1995 |
| 4881583 | Woodworking machine A woodworking machine for cutting tenons and mortises in woods, especially window woods, and comprising at least one tenoning-and-mortising unit and at least one lengthwise profiling unit, where a length-cutting device and a roller table are associated wi... | 11/21/1989 |
| 4467850 | Machine for cutting rounded corner notches A machine and method for cutting notches with rounded inner corners in wood pallets. The completed notches are made in one pass through the machine as the pallet passes over three successive stages of cutting. The first stage makes six vertical cuts for e... | 08/28/1984 |
| 4392520 | Log building construction The invention relates to a machine for end notching logs and to a method for end notching logs so that they can be incorporated into an interlocking corner configuration in a log cabin building. The corner construction is of the 1/2 dovetail configuration... | 07/12/1983 |
| 4331191 | Woodworking machine A woodworking machine for window frames has at least one vertical tenoning spindle, at least one further spindle for longitudinal profiling disposed diagonally with respect to the first spindle, and a further tenoning spindle fitted at the opposite side o... | 05/25/1982 |
| 4132253 | Machine for notching pallet stringers A notching machine including a first cutting stage which makes four vertical cuts in the stringer, the outer two cuts defining the sides of the notch. The second cutting stage of the machine makes a horizontal cut which first separates a portion of the st... | 01/02/1979 |
| 4056137 | Method and apparatus for cutting tenons Method and apparatus for cutting tenons in the ends of workpieces in which the workpiece is advanced on a rectilinear path, one or more cutting tools are reciprocated on a transverse rectilinear path which intersects the ends of the workpieces and the spe... | 11/01/1977 |
