Solar roofing tile has base body made of polymer concrete and solar cell fastened on roof external side, where roof external side has locally limited projections with bearing surface for solar cell
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Methods and apparatus for swarm navigation of multiple agents
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Bicycle luggage carrier extension, e.g. for sports bags or drinks carriers; has
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Astronomical observation stand
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Hood for an astronomical observation stand
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Spray-forming output device for fluidic oscillators
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Additional retractable rear view mirror for vehicles - has first mirror comprises housing for second mirror, which retracts, rotates and may be locked in position
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Shelf suspension member for double-hung sash windows
