Question about "exclusivity" of patents

Subject: Re: Question about "exclusivity" of patents

Comments:
: In all the patent information I have been reviewed, : I have encountered that a patent serves to avoid others : to make, use, selling, etc. a specific device patented. : However, I am wondering how this could be made in practice. : For example, if one patent is acheived for a device (a : television set, a refrigerator, a computer, etc.), why : there are dozens of (television sets, refrigerators, : computers, etc.) manufacturers? : It should not be that one, and only one, could : manufacture the device? : Any kind of information will be greatly appreciated. : Thank you very much for yor help.

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