Earlier today, I stumbled onto an interesting database of non-patent prior art: GlobalSpec.com (The Engineering Search Engine).
I’ve mentioned other non-patent prior art databases before: one, two, three, four.
Related posts:
Earlier today, I stumbled onto an interesting database of non-patent prior art: GlobalSpec.com (The Engineering Search Engine).
I’ve mentioned other non-patent prior art databases before: one, two, three, four.
Related posts:
Another source of prior art information that is not recognized is the USPTO trademark database. It is a bit difficult to search but it may give you and indication of prior art products that are or have been sold. You may publish this comment with full attribution.