---
title: "WRINN JOSEPH F — Ownership Dossier"
canonical: https://whiteintel.dev/entity/eb6bc60f-9651-583c-9dee-893eeeaa9ee8
json: https://whiteintel.dev/api/public/dossier/eb6bc60f-9651-583c-9dee-893eeeaa9ee8
identifier: sec:0001224721
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# WRINN JOSEPH F

**Type:** Company  
**Jurisdiction:** US  
**Identifier:** `sec:0001224721`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/eb6bc60f-9651-583c-9dee-893eeeaa9ee8  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/eb6bc60f-9651-583c-9dee-893eeeaa9ee8  

## Ownership & control

### Holdings / subsidiaries

- **BTU INTERNATIONAL INC** (director) — https://whiteintel.dev/entity/04d1d476-5898-59e4-aa2d-e3f1cb1dca19

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **WRINN JOSEPH F**. Human view: https://whiteintel.dev/entity/eb6bc60f-9651-583c-9dee-893eeeaa9ee8 · Structured JSON: https://whiteintel.dev/api/public/dossier/eb6bc60f-9651-583c-9dee-893eeeaa9ee8._

_Risk levels are heuristic investigative leads, not legal determinations of beneficial ownership. Every claim carries a source; an absent edge means "not yet observed in current sources", not "does not exist"._