I don't think that the guitar manufacturer asked for royalties. On the other hand there are video cameras that you can't use for commercial purposes because th

I don't think that the guitar manufacturer asked for royalties. On the other hand there are video cameras that you can't use for commercial purposes because they lack the appropriate video codec license from MPEG-LA :-) (https://news.ycombinator.com/item?id=42735824 https://news.ycombinator.com/item?id=42735824)