Did You Know...
...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 7370830 | System and method for landing a tailless aircraft in a crosswind The method of landing a flying wing type aircraft in a crosswind includes the steps of disengaging the nose landing wheel upon impact with the runway so that it is free to castor; and thereafter, engaging the nose wheel after a specific time period after the nose wh... | 05/13/2008 |
| 6119055 | Real time imaging system and method for use in aiding a landing operation of an aircraft in obscured weather conditions An imaging apparatus for aiding landing of aircraft in weather conditions obscuring a pilot's view of a runway. The apparatus comprises a plurality of LED assemblies which are disposed along the runway. Each LED assembly includes a plurality of LEDs, a re... | 09/12/2000 |
| 5823479 | Landing attitude modifier for airplane A method modifying the landing pitch attitude of an airplane during landing approach and touchdown is disclosed. A reference value for a predetermined flight condition parameter is subtracted from a current value of the predetermined flight condition para... | 10/20/1998 |
| 5769359 | Active feedback loop to control body pitch in STOL/VTOL free wing aircraft An aircraft control system for controlling an aircraft, particularly a free wing aircraft in low speed or hover regimes. An air speed sensor measures air speed of the aircraft and outputs an air speed signal to a control processor which processes the air ... | 06/23/1998 |
| 3942748 | Apparatus for distance control An apparatus for controlling the distance between a vehicle to which it is attached and a surface over which the the vehicle may be moving. The apparatus includes a cable and a sheet member which in a first mode is in contact with the surface but in a sec... | 03/09/1976 |
