Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6245415 | Structural article of relatively large dimensions | Frederick P. Keller, Dan Fild, Donald E. Jay | 2001-06-12 |
| 6227840 | Apparatus for molding relatively large articles | Frederick P. Keller, Dan Fild | 2001-05-08 |
| 6063315 | Gas-assisted injection molding of large panels with sequential gating | Frederick P. Keller, Dan Fild | 2000-05-16 |