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The closing state of the invention city, as of November 2026, is two research seats, and they are unlike each other in kind. The first is a foundation: the Isaac David Porogi Foundation Inc.Searched by name in ProPublica's Nonprofit Explorer in November 2026, the foundation returned no profile in the record reached — no Form 990 series surfaced from which its grants, assets, or program could be printed — and its filings therefore stand as this item's named gap, settled by the Explorer's profile and the IRS Form 990 series under the foundation's legal name. (A similarly named foundation in the search record — the Progeria Research Foundation of Massachusetts — is a different organization entire, and is excluded here on its face so the two are never merged.) What stands: a Walkerton address, a cancer-research purpose, a 2021 ruling — a research funder seated in a town of two thousand, its work not yet in the public filing record.
The second seat is the working laboratory of the invention record itself: Polygon's published research establishment — the dedicated 7,500-square-foot research and development center the company's own record describes, the "granted over 60 patents" of its published count, and the medical-composites research line whose public trace runs through the citing patents printed in the invention article above (PolyMed® surgical and instrument composites, U.S. 5,782,764 and U.S. Named with their work, the two seats are the whole of it: one foundation whose filings are a named gap, one company whose research is a matter of patent record. The patent city of the aggregate article is not a metaphor; it is these two addresses and the seven-patent floor beneath them.
Patents 5,782,764, 9,375,274; Businesses (August 2026 investment — pointer).