Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7497915 | Machinable austempered cast iron article having improved machinability, fatigue performance, and resistance to environmental cracking | David Carroll Fitzgerald | 2009-03-03 |
| 7070666 | Machinable austempered cast iron article having improved machinability, fatigue performance, and resistance to environmental cracking and a method of making the same | David Carroll Fitzgerald | 2006-07-04 |
| 5263533 | Mold for producing thin wall castings by gravity pouring | Edward Frank Ryntz, Robert Ramage, Alexander Toth | 1993-11-23 |
| 5037070 | Melt containment apparatus with protective oxide melt contact surface | Susan R. Schuon | 1991-08-06 |