Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7229578 | Light weight plastic trim parts and methods of making same | Daniel R. Johnson | 2007-06-12 |
| 6592173 | Method of making fused film plastic parts and parts made by such methods | William H. Hardgrove, Hiroaki Yamamoto, Michael Andrew Swartz | 2003-07-15 |
| 6436329 | Method of making fused film plastic parts and parts made by such methods | William H. Hardgrove, Hiroaki Yamamoto, Michael Andrew Swartz | 2002-08-20 |
| 6277319 | Method for trimming shaped plastic workpieces | William H. Hardgrove, Michael Andrew Swartz | 2001-08-21 |