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If a process is patented, the patent is infringed by activities including carrying out the method, selling a product made directly by the process, making an offer to sell such a product. Personal research or studies generally is a valid defence, that is, activities within the scope of the claims that would normally infringe are excused if the activities are ...


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The picture shows only half of the Tool, the patent US 640,598 describes the invention was a tool useful in the building of wire fences, as well as the other specific uses.


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The Wayback Machine is actually the closest thing available for this too, even if it's not quite the main purpose. This should show, in most cases, at least when a product is offered for sale. Though its dating is relatively coarse, and it certainly wouldn't do anything to show non-Internet offers, nor actual sales. Archive.org is actually prior art too, ...


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Thank you all for your suggestions. Meanwhile I solved the issue by creating Microsoft Access Database. It was my first time using and creating Access DB, I learned it via free youtube tutorials in couple of hours. It took some more time to fill in all the patents/inventions data and optimise it to my needs, but at the end it worked very well, I could easily ...


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