Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5344502 | Surface hardened 300 series stainless steel | William C. Mack, Mark J. Topolski | 1994-09-06 |
| 5309848 | Reversible, wear-resistant ash screw cooler section | Kenneth L. Santelmann, Avelino G. Bolumen, Roger A. Clocker, Thomas Garabedian, Donald C. Housley +1 more | 1994-05-10 |