Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5827314 | Flexible lifting apparatus | John P. Lunsford, Edwin J. Hlavka, Edmund J. Roschak, Daniel T. Wallace, Charles Gresl +1 more | 1998-10-27 |
| 5681341 | Flexible lifting apparatus | John P. Lunsford, Edwin J. Hlavka, Edmund J. Roschak, Daniel T. Wallace, Charles Gresl +1 more | 1997-10-28 |