Talk:Bretonstone

External links modified
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 * Added archive https://web.archive.org/web/20141018181201/http://www.naturalstonespecialist.com/currentissue/unlockednewsarticle.php?id=4427 to http://www.naturalstonespecialist.com/currentissue/unlockednewsarticle.php?id=4427

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Patents
Article currently states "Bretonstone is a patented technology[1][2] invented in the early-1970s[citation needed]". The first two citations are currently to U.S. published pre-grant patent applications US20060119002 and US20090253829, which do not by themselves constitute evidence of being "patented". And anything invented in the early 1970s would be off patent now (roughly 50 years later). The entire description of patents in confusing at best and simply wrong at worst. US9199415B2 is a granted patent related to US20090253829. But Marcello Toncelli is an inventor named on earlier patents like [|GB1192170A], DE2054168B2, IT1013554B, and US4204820. It is hard to tell what the intent of the article really is, because "Bretonstone" is a tradename/brand name and not something with a fixed scientific/technical. — Preceding unsigned comment added by 50.93.254.193 (talk) 02:32, 12 October 2020 (UTC)


 * Yes, the prior language was misleading at best. It reads more like a brand advertisement than a technical description, and inaccurately states that the technology is currently covered by a patent. JM Dahl (talk) 14:36, 7 April 2024 (UTC)