Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE33327 | Melt overflow system for producing filamentary and film products directly from molten materials | Lloyd E. Hackman, James Dickson, Mark E. Handshey | 1990-09-11 |
| 4930565 | Melt overflow system for producing filamentary and film products directly from molten materials | Lloyd E. Hackman, James Dickson, Mark E. Handshey | 1990-06-05 |
| 4813472 | Melt overflow system for producing filamentary and film products directly from molten materials | Lloyd E. Hackman, James Dickson, Mark E. Handshey | 1989-03-21 |