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  US4776530A - Safety apparatus for hang glider - Google Patents

  http://www.google.de/patents?id=6l42AAAAEBAJ&pg=PA1&zoom=4&dq=hang+gliding+harness

  A safety apparatus for a hang glider that indicates any failure of a pilot to properly hook in a flight harness. The apparatus includes a circuit having a power source, such as a dry cell battery, connected to an alarm through a harness hook in…

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  US6211951B1 - Boresight alignment method - Google Patents

  http://www.google.de/patents?hl=de&lr=&vid=USPAT6211951&id=QHEGAAAAEBAJ&oi=fnd&dq=boresight+alignment+method&printsec=abstract#v

  A boresight alignment method is used for aligning a laser with an optical sighting system in a laser designator or the like. The method includes selecting a target formed of a flat sheet of material, such as a metal foil, supporting the selected…

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