Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7780902 | Method of molding a shopping cart | David L. Pruitt, Jr., Mark T. Ryan, Charles E. Shell, Robert D. Peota, Matthew E. Sayer | 2010-08-24 |
| 5770237 | Method and apparatus for producing an injection moulding of plastics material using gas assistance and a valve to control the gas supply passage | Matthew E. Sayer | 1998-06-23 |