Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5376696 | Foundry mixes based upon reclaimed sand | Kenneth W. Barnett, Gary R. Hysell | 1994-12-27 |
| 5338774 | Polyurethane-forming binder systems containing a polyphosphoryl chloride | Robert B. Fechter | 1994-08-16 |