Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5638639 | Emergency door with retractable nose piece, interiorly mounted operating hardware, and hinge supports | E. Carl Goodman, Wallace D. Pack, Ronald A. Smart, Ronald L. Richardson, Craig Bell +2 more | 1997-06-17 |