Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5092154 | Calibration apparatus and method | Stephen P. Smith | 1992-03-03 |
| 4850230 | Pull tab force measuring apparatus | — | 1989-07-25 |
| 4715221 | Mold cavity volume measuring apparatus | Conrad M. Grims | 1987-12-29 |