Abstract: A spreader bar apparatus provides a bar member having a bar length and first and second bar end portions. A plurality of stops (e.g., transverse bar openings) are spaced between the bar and end portions. A first bar lifting portion or link assembly is movable relative to the bar and into different positions. A second bar lifting portion or link assembly is movable relative to the bar and into different positions. Each bar lifting portion or link assembly has a trunnion sleeve fitted with multiple links. One or more lifting lines are each attachable to the lifting portions such as to an upper link or lower link. Each lifting member includes an upper link, a lower link, and a trunnion sleeve, wherein the trunnion sleeve has a bore that is sized and shaped to receive the bar, wherein the upper and lower links are rotatably mounted to the trunnion sleeve.

Abstract: Methods and systems are described for a system for measuring aberrations in a wave front. In the improved system multiple closely-spaced, small-aperture laser beams traverse an aberrating flow that introduces deflections of small-aperture laser beams from which aberrated wavefronts can be constructed. These beams may then be focused on position sensing devices using focusing lenses. The position sensing devices may then detect the positions of these beams and a difference between the detected position and the unaberrated position of the beams detected. This information may then be used to determine information regarding the optical aberrations introduced by the flow that may be used, for example, in improving communications systems and/or laser weapon systems.

Abstract: A method for forming an organic or partly organic switching device, comprising: depositing layers of conducting, semiconducting, insulating, or surface modifying layers by solution processing and direct printing; and defining high-resolution patterns of these layers by exposure to a focused laser beam.

Abstract: A method for forming an organic or partly organic switching de-vice, comprising: depositing layers of conducting, semiconducting, insulating, or surface modifying layers by solution processing and direct printing; and defining high-resolution patterns of these layers by exposure to a focussed laser beam.

Abstract: A device for conditioning a cue tip roughens the tip and applies chalk. The device has a tubular housing having a closed end and an open end. A concave abrasive sieve is secured to the housing at the open end. The concave side of the sieve faces outward from the housing for abrasive contact with the cue tip. The housing receives a storage cartridge for storing a chalk powder for distribution through the sieve onto the cue tip.

Abstract: A device is provided for attachment to the submerged portion of an electric trolling motor to serve as a rudder and to further provide quieter operation and resistance to fouling by aquatic vegetation. The device, which may be of integral or two piece construction, attaches to the vertically disposed control shaft of the trolling motor and further embraces the drive unit of the motor. An upper section of the device has opposed side walls of large area, thereby providing a rudder effect.