Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4606396 | Sand mold and apparatus for reduced pressure casting | George D. Chandley | 1986-08-19 |
| 4340108 | Method of casting metal in sand mold using reduced pressure | George D. Chandley | 1982-07-20 |