Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5116645 | Hot dip aluminum coated chromium alloy steel | Steven L. Boston, Danny E. Lee, William R. Seay, Richard A. Coleman | 1992-05-26 |
| 5066549 | Hot dip aluminum coated chromium alloy steel | Richard A. Coleman, Frank C. Dunbar, Alan F. Gibson | 1991-11-19 |
| 4883723 | Hot dip aluminum coated chromium alloy steel | Richard A. Coleman, Frank C. Dunbar, Alan F. Gibson | 1989-11-28 |
| 4800135 | Hot dip aluminum coated chromium alloy steel | Richard A. Coleman, Frank C. Dunbar, Alan F. Gibson | 1989-01-24 |
| 4797329 | Oxidation resistant ferrous base foil | F. Curtiss Dunbar | 1989-01-10 |
| 4737381 | Method of making an oxidation resistant ferrous base foil | F. Curtiss Dunbar | 1988-04-12 |
| 4729912 | Oxidation resistant ferrous base foil and method therefor | F. Curtiss Dunbar | 1988-03-08 |
| 4686155 | Oxidation resistant ferrous base foil and method therefor | F. Curtiss Dunbar | 1987-08-11 |
| 4675214 | Hot dip aluminum coated chromium alloy steel | Richard A. Coleman, Frank C. Dunbar, Alan F. Gibson | 1987-06-23 |