Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4610155 | Manufacture of article having undercut internal surface | Edward A. Langford, Geoffrey A. Morden | 1986-09-09 |
| 4559803 | Tool for making hollow articles | Edward A. Langford, Stephen R. James | 1985-12-24 |