Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8518202 | Method and apparatus for forming a shaped multilayered molded article | Karl Leslie Polk, Dale E. Polk, Jr., Victor Wolynski | 2013-08-27 |
| 5348798 | Method of making a hollow core structural member | Richard C. McKechnie, Albert Drenth | 1994-09-20 |