Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5773048 | Retainer for injection molding machine components | — | 1998-06-30 |
| 5403179 | Collapsible mold core assembly | — | 1995-04-04 |
| 5281127 | Articulated core blade assembly for use in an injection molding machine | — | 1994-01-25 |
| 4606477 | Portable pressure sprayer | William E. Spengler | 1986-08-19 |
| 4537334 | Portable pressure sprayer | William E. Spengler | 1985-08-27 |