Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7157037 | Apparatus for making threaded articles in a plastic injection molding process | Albert Chalcraft | 2007-01-02 |
| 6599115 | Mold unscrewing mechanism for making threaded articles | Albert Chalcraft, Charles Doerner, Arthur Luther, Kent A. Louviere | 2003-07-29 |