Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6886621 | Sprue for a lost foam casting system for biasing a directional fill rate from a bottom portion of a metal casting | William G. Hesterberg, Dean A. Wickman, Thomas Blum | 2005-05-03 |