Any tipps for searching for patents? Or making sure if a patent exists or not? For example I would be surprised if the SET card game wasn&#x27;t patented [1], but I couldn&#x27;t find it.<p>[1] <a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Set_(game)" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Set_(game)</a>