Copyrights= printable media (includes anything that can be put on a cd/paper/dvd) "copy" says it all. Can it be copied-the designer/author has rights.
Patents = mechanical ideas/devices that is why you have to submit a working device for patent. The drawn plans/printed descriptions for patents fall under copyright laws.
Trademarks are totally different-can be a logo, shape, name, phrase, almost anything unique to the designer that the designer wants to protect from others using it.
Mike
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