Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6419426 | Numeric controlled drilling jig-multiple-axis aerospace drilling machine | Ed Chalupa | 2002-07-16 |
| 5611125 | Concrete filled container burial vault | Robert B. Williams | 1997-03-18 |
| 5317941 | Slitting overwidth metal strip | Todd E. Stokes, Joseph Leigh, James L. Maag | 1994-06-07 |