Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4761983 | Method and apparatus for winding material on a drum | Vladimir B. Ginzburg, Robert H. Ellis | 1988-08-09 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4761983 | Method and apparatus for winding material on a drum | Vladimir B. Ginzburg, Robert H. Ellis | 1988-08-09 |