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Leitner system Patent

The leitner system has been invented in 1970 https://en.wikipedia.org/wiki/Leitner_system but Adaptively-spaced repetition which is the base of Leitner system has been registered in google patents in ...
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I Have an idea , it is similar to a couple of other patented ideas [duplicate]

The idea simply involves using compressed air to spin (a) stator/rotor(s) and, in turn, charge (a) battery (ies) that powers the electric motor. I want to contact these people and move the ...